Math Links

$Math Links$

Software (Downloads and Online Apps)
Software Instructions and Tutorials
Calculator Help
Topic Help – Precalculus
Topic Help – Calculus
Graph Paper and Other Printables
Reference
Testing

Edmodo This is where I will be posting class notes this year, and there may be assignments that you'll submit to me through this site. You can post questions there, too, if you'd like. You will need the class code for the course you're taking. E-mail me at MsFrisbie@PFrisbie.com if you have misplaced that information.
IB Mathematics SL Formula Booklet This is the formula packet that you get to use on the IB Math SL exam and on my semester exams.
Software (Downloads and Online Apps)

GeoGebra Here's where you can download GeoGebra. I recommend that you choose one of the installers rather than the Chrome app. You'll learn how to use it to make graphs in class, if you haven't already.

MathType
Home Page This lets you type great looking mathematical notation. You can download this software for Windows or Macintosh. If you decide not to pay for it after 30 days, it becomes MathType Lite, a less powerful (but all you're likely to need) free version of the program. Many word processors ship with Equation Editor (which is almost identical to the Lite version) already.

MathType free download (e-mail address is optional; feel free NOT to give it to them)
MathType 30-Day Trial
Winplot (Peanut Software) Winplot is a free graphing calculator program for Windows computers. It makes terrific graphs. The site also has some other free math software for other purposes. To read about possibly running Winplot on your Mac, click here.

Wolfram Alpha It is described as a computational knowledge engine. Ask it a math problem. See what happens.
Desmos Graphing Calculator
This is probably the best online graphing calculator currently available. It's really good. If you use it, go ahead and create a free account or link it to your Google account. You have be logged in to save your graphs or to export them. You can save a graph as an image and paste into a word processor.

Derivative Calculator A web-based program that computes the derivative of everything you're likely to need for this class and a lot more, probably more friendly to type in than Wolfram Alpha.
Integral Calculator Like the derivative calculator above, except that it does integrals.
Dartmouth Slope Field Generator A Java application that just generates slope fields.

OpenOffice.org This is a free open-source office software suite (like Microsoft Office, but free). The spreadsheet program works like Excel does for graphing, and you can use the Excel graphing instructions below with this program, as well. Available for Windows, Macintosh, and various Unix builds.

Wolfram CDF Player The CDF (Computable Document Format) Player lets you run Mathematica documents and, especially, demonstrations that can be downloaded from the Wolfram Demonstrations Project, and examine documents in the CDF format. It's free.

Installing Winplot on a Mac, part 1

Alternative link for Darwine

Winebottler, an alternative to Darwine

If you, like me, love the Mac more, there may be a way to run Winplot on your Mac without having to install Windows. Part 1 to the left is how it used to work. Unfortunately, it depended on a program (Darwine) which is no longer in development. Caroline Bresnan did some research and we came up with the second two links to help. However, Grapher, the program that's already in the Utilities folder on your Mac, is pretty easy to use, and you'll be getting some experience with GeoGebra (which is cross-platform) in class. If you check out the Grapher tutorials links on this page, I think you'll find you can use that just fine. If you do work the Winplot thing on your Mac, you'll probably need to change the font on the axes to something like Courier. Look in the Misc menu.

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Software Instructions and Tutorials

GeoGebra tutorials This is the link to the tutorials on the official GeoGebra site.
Guillermo Bautista's GeoGebra tutorials Mr. Bautista teaches at a university in the Philippines, and his tutorials are very good.

Winplot video tutorials This is a collection of Flash videos that show you how to do a variety of things in Winplot, from the most basic graphs to differential equations and integration. (If you don't know what those last two are yet, you will eventually.)

Winplot Instructions These are from the University of Hawaii's math lab.

Lin McMullin's Winplot files This site hosts files designed to teach illustrate some mathematical concepts using Winplot.

Mac Grapher video intro A no-audio quick start guide (1:30) to graphing using Grapher (in the Utilities folder already) on your Mac. You can also try searching YouTube for Mac Grapher. There are several different tutorials there the last I checked.

Grapher on MacRumors.com A brief non-video reference for Mac Grapher
The Putterer's Mac Grapher help That's the first one; a second, more advanced post, is here.

Graphing in Excel 2007

These are tutorials I wrote myself to help you make scatter plots and graph mathematical functions in a spreadsheet. The instructions also work with Excel 2010, and with some alterations in where to find the commands, with other spreadsheets as well.

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Calculator Help
Atomic Learning tutorials A bunch of tutorials on using the TI-Nspire from a company called Atomic Learning.
Getting Started with TI-Nspire™ CX From this link, you can download a pdf guidebook to get you started with the calculator.

TI-Nspire mini-tutorials A bunch of videos for doing specific tasks on the TI-Nspire. They go sort of fast sometimes, but they also come with a pdf of the keystrokes to follow.
Graphing Calculator Help Prentice Hall graphing calculator help, for TI-83(or 84) and TI-89, Casio, and Sharp
Finding Your Way Around the TI-83... ..and TI-84 series calculators. This site has instructions on how to use this calculator for specific math topics.
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Topic Help – Precalculus
Important: There is a LOT more information on this page, and it's broken down by the particular topics we study in the course. Start there.

Paul's Online Math Notes These are notes from a college professor for his college algebra, trig, calculus, and differential equations classes. Both the college algebra and the trigonometry topics would be useful in precalculus class.

Common math errors This is a pretty good list of the types of math mistakes that high school and college students commonly make. If you think that you're making too many careless mistakes and aren't sure how to stop, this might be a good place to look.

Susan Cantey This site is from a (recently retired) math teacher in Cincinnati and is designed for her own students to use. There are some useful resources in the precalculus and calculus sections.

Monterey Institute This site has materials for seven different AP courses: calculus AB and BC, APES, physics B and C, US Government, and US History. They are video lectures.

Pascal and Fermat probability correspondence This is a translation into English of the actual letters that Blaise Pascal and Pierre de Fermat wrote to each other from 1654-1660 when they worked out the basics of the mathematical field of probability. It shows that even ridiculously brilliant people aren't always right the first time and how ideas like these can be developed in discussion.

The Math Page Examples with "answer" blocked until you move cursor over for practice. The topics include algebra, geometry, trigonometry, precalclulus, and calculus.

Applets for math courses below calculus Applets for math classes "below calculus" at St. Louis University, many are Geogebra, also Sketchpad and Java:
families of functions, translations and dilations, function composition, linear equations, quadratic equations, conics, law of sines, vector addition, vector dot products, trig functions, sine curve fitting, reflections, cross-sections for 3-D graphs, parameterized curves

Wolfram Demonstrations Project This is the "by topic" page of the Wolfram Demonstrations Project. You will need the free Wolfram CDF player to use them. There's a ton of stuff here.

TeacherTube videos This site has a large collection of videos on lots of academic subjects. When I searched on logarithms, for instance, I got 10 pages of hits.

S.O.S. Math
Lots of topics, in areas ranging from algebra through calculus.

S.O.S. Math - CyberExam Practice tests from SOS math

Common Errors in College Math Common errors to avoid in math. While some of the examples used are calculus, lots of the things mentioned are applicable throughout high school math.

The Interactive Mathematics Classroom An Australian site with links to a bunch of interactive things on high school math. There are a bunch of Geogebra things. Geogebra is a free interactive geometry and graphing program.

Math Reference Tables A whole bunch of mathematical reference tables.
Math2.org Tables of information on lots of math topics, and a "white board" on which you can "write" with your mouse back and forth with other users, which makes it easier to write mathematical symbols.
Math Forum:
Pre-Calculus Links to internet pre-calculus resources.
Graphical Transformations Horizontal and vertical translations, reflections in the x- and y-axes, horizontal and vertical dilations,

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Topic Help – Calculus
Important: There is a LOT more information on this page, and it's broken down by the particular topics we study in the course. Start there.
Demos for Optimization Problems This is a bunch of optimization (max/min) problems with visual demonstrations to help you understand what the problem is about.
Visual Calculus There is a lot of stuff here, but it can sometimes be difficult to identify exactly what you want. On the first page, choose the general category of problem you're interested in, and then you probably want the tutorial on the appropriate topic first. After that, you might want to try some of the other resources listed for the topic.
Paul's Online Math Notes These are notes from a college professor for his college algebra, trig, calculus, and differential equations classes.
Common math errors This is a pretty good list of the types of math mistakes that high school and college students commonly make. If you think that you're making too many careless mistakes and aren't sure how to stop, this might be a good place to look.
Susan Cantey This site is from a (recently retired) math teacher in Cincinnati and is designed for her own students to use. There are some useful resources in the precalculus and calculus sections.
Monterey Institute This site has materials for seven different AP courses: calculus AB and BC, APES, physics B and C, US Government, and US History. They are video lectures.
University of Houston calculus videos Calculus lectures, 15 to 30 minutes each, which include examples and explanations. They seem pretty thorough.
University of Houston calculus tutorials While also from UH, these are not the same as the videos above. To get to the written explanations: click on the topic, then on the link under Help Materials, and you get to a page with problems to work. Click on the "Help on This Topic" graphic in the upper left corner of that page to get worked out explained problems first. The practice problems have both "answers" — no explanation — and solutions — which include the explanation.
The Math Page Examples with "answer" blocked until you move cursor over for practice. The topics include algebra, geometry, trigonometry, precalclulus, and calculus.
Mr. Bird's Calc Page A calculus site by a teacher in Indianapolis, which is very heavy on calculator technology. There is also a file of "stuff you must know cold," advice for taking the AP calculus exam, right and wrong ways to use your calculator, calculus songs, primers for TI-Nspire and TI-89, and more.
Calculus Applets at SLU Calculus applets from St. Louis University:
epsilon-delta, continuity, secant/tangent, slopes and derivatives, first and second derivative graphs, linear approximation, Newton's method, chain rule, differentiability, Riemann sums, area between curves, length of a curve, solids of revolution, solids with known cross-sections, Taylor polynomials, sequences and series, series functions, series grapher
Precalculus Review This is a precalculus review for AP calculus students.
Wolfram Demonstrations Project This is the "by topic" page of the Wolfram Demonstrations Project. You will need the free Wolfram CDF player to use them. There's a ton of stuff here.
Spreadsheet Calculus on Instructables These are instructions on how to do some calculus concepts in a spreadsheet, on the incredible site, instructables.com.
Spreadsheet Calculus: Derivatives and Integrals
Spreadsheet Calculus: Newton's Method
Spreadsheet Calculus: Euler's Method
TeacherTube videos This site has a large collection of videos on lots of academic subjects. When I searched on logarithms, for instance, I got 10 pages of hits.
The Calculus Page Problems List Some calculus problems with worked-out solutions. Unfortunately not all of the topics listed actually have notes linked to them.
S.O.S. Math Lots of topics, in areas ranging from algebra through calculus.
S.O.S. Math - CyberExam Practice tests from SOS math
Common Errors in College Math Common errors to avoid in math. While some of the examples used are calculus, lots of the things mentioned are applicable throughout high school math.
Tutorials for the Calculus Phobe Mike Kelley's calculus tutorials, unfortunately only up through basic derivatives; the site has indicated that more of these would be coming for several years now. Mr. Kelley is the author of the Idiot's Guide that I issue to my calculus students, and I think his explanations are really good.
Calculus-Help.com's Interactive Cheat Sheet Mr. Kelley's Interactive Calculus "Cheat Sheet" is a flash movie with formulas and such.
The Interactive Mathematics Classroom An Australian site with links to a bunch of interactive things on high school math. There are a bunch of Geogebra things. Geogebra is a free interactive geometry and graphing program.
Midnight Tutor One guy's instructions on how to study and make A's in calculus, along with a bunch of tutorials for calculus.
Math Reference Tables A whole bunch of mathematical reference tables.
Math Forum: Calculus Links to internet calculus resources.
Math2.org Tables of information on lots of math topics, and a "white board" on which you can "write" with your mouse back and forth with other users, which makes it easier to write mathematical symbols.
Lou Talman's "Short Notes on Various Things" If you're interested in a more formal explanation of some important topics, this is a place to look. Not for the casual reader.
Mathematics Animated Animation of some (mainly calculus) topics. Includes some 3D things.
Meg Clemens' favorite calculus links Another teacher's collection of calculus links; she breaks them down by what topic you might want to learn
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Graph Paper and Other Printables

Graph paper to download and print A collection of pre-made graph paper in PDF format. This one also lets you specify your own measurements and will customize the grid for you.

Incompetech's graph paper collection A nice collection of PDF graph and other grid-type paper.

Graph paper, 2 mm, (blue)
Graph paper, 2 mm (gray)
Graph paper, 1/2 cm (blue)
Graph paper, 1/2 cm (gray) These print best on highest quality. I made them myself.

Protractor Semicircular protractor to print.

Rulers This is one page with several identical cm/inch rulers you can cut out and use.

More rulers This is the site I got the one above from.

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More General Reference

Eric Weisstein's
World of Mathematics
A massive math reference site, described like this: "MathWorld is a comprehensive and interactive mathematics encyclopedia intended for students, educators, math enthusiasts, and researchers." It gets very high level, but can also be useful for pre-calculus and calculus topics.

How to learn things online This is a Lifehacker article giving some good places to look when you want to learn just about anything using online resources.
The Art of Problem Solving This is the tagline at the top of the page:
Is math class too easy for you? Are you looking for a greater challenge? You've come to the right place!
The Math Forum:
Ask Dr. Math Ask Dr. Math is a question and answer service for math students and their teachers. A searchable archive is available by level and topic, as well as summaries of Frequently Asked Questions (the Dr. Math FAQ).
The Math Forum
Internet Mathematics
Library The Math Forum's Internet Mathematics Library is an annotated catalog of mathematics and mathematics education web sites.
The Math Forum:
Student Center Links to help, interesting problems, "tips and tricks," and resources designed for students at various levels.
Guide to
Writing in Mathematics This was written by a college calculus teacher for her students, but many of the points she makes are helpful in exploration writing.
NACME
A site for those interested in engineering as a career. The particular page I have linked to is types of engineering one can study, but there's a lot more information available on the site.

Algebra Review
in Ten Lessons A serious review, with formal definitions. Lots of info here, though.
Learning to Factor
(Ask Dr. Math archive) Answers to questions submitted by students about how to factor numbers and polynomials.
Missouri State University Problem Corner A "problem corner" with problems for enjoyment and challenge, divided up by level of difficulty.
Mu Alpha Theta An organization for high school math competitions. You can find articles and problems here.
The Logical Fallacies Oh, the mistakes we make. This is one reason why you can't believe everything you read or hear.
Topology and Geometry Some nifty little programs and games.
Powers of Ten video
A very cool way to understand how big and small powers of 10 really get.
The Math Forum
Problems Library Problems on lots of different math topics at all levels.
Numbers in
Over 5000 Languages Want to learn to count to 10? This is where I got all those numbers in which to count mistakes.
The Story of Mathematics
An ambitious web site that collects mathematical history from a variety of sources and organizes it here.

Glossary of
Mathematical Terms Guaranteed to include things you've never heard of before.
BEATCALC:
Beat the Calculator Tricks for doing mental mathematics.
Interactive Mathematics
Miscellany and Puzzles Lots of diverse topics and interesting facts.
Coolmath.com Designed to make math fun. Some cool programs to demonstrate concepts, some games, some tips on how to succeed in class.
Square Roots Without a Calculator This is from the Ask Dr. Math archives, and has brief articles on how the calculation of square and cube roots can be done without a calculator.

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Testing

College Board Online Registration and practice for the SAT, and information about getting ready for college in general.

Advanced Placement The College Board's AP section
International Baccalaureate The official site of the International Baccalaureate.
AMC info Information about the American Mathematics Contest. For the past few years, Polk State has offered local students a chance to take this there for free. When they give me information, I'll tell you in class.

Varsity Tutors
This site offers practice for a boatload of different tests one might take, including college entrance and Advanced Placement exams. To be honest, they asked me if I would consider linking to them (who knew a link from my site could be desirable, right?), but it looks like it might be useful to some of you. Feel free to report back on what you find if you check it out.

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Edmodo	This is where I will be posting class notes this year, and there may be assignments that you'll submit to me through this site. You can post questions there, too, if you'd like. You will need the class code for the course you're taking. E-mail me at MsFrisbie@PFrisbie.com if you have misplaced that information.
IB Mathematics SL Formula Booklet	This is the formula packet that you get to use on the IB Math SL exam and on my semester exams.

GeoGebra	Here's where you can download GeoGebra. I recommend that you choose one of the installers rather than the Chrome app. You'll learn how to use it to make graphs in class, if you haven't already.
MathType Home Page	This lets you type great looking mathematical notation. You can download this software for Windows or Macintosh. If you decide not to pay for it after 30 days, it becomes MathType Lite, a less powerful (but all you're likely to need) free version of the program. Many word processors ship with Equation Editor (which is almost identical to the Lite version) already. MathType free download (e-mail address is optional; feel free NOT to give it to them) MathType 30-Day Trial
Winplot (Peanut Software)	Winplot is a free graphing calculator program for Windows computers. It makes terrific graphs. The site also has some other free math software for other purposes. To read about possibly running Winplot on your Mac, click here.
Wolfram Alpha	It is described as a computational knowledge engine. Ask it a math problem. See what happens.
Desmos Graphing Calculator	This is probably the best online graphing calculator currently available. It's really good. If you use it, go ahead and create a free account or link it to your Google account. You have be logged in to save your graphs or to export them. You can save a graph as an image and paste into a word processor.
Derivative Calculator	A web-based program that computes the derivative of everything you're likely to need for this class and a lot more, probably more friendly to type in than Wolfram Alpha.
Integral Calculator	Like the derivative calculator above, except that it does integrals.
Dartmouth Slope Field Generator	A Java application that just generates slope fields.
OpenOffice.org	This is a free open-source office software suite (like Microsoft Office, but free). The spreadsheet program works like Excel does for graphing, and you can use the Excel graphing instructions below with this program, as well. Available for Windows, Macintosh, and various Unix builds.
Wolfram CDF Player	The CDF (Computable Document Format) Player lets you run Mathematica documents and, especially, demonstrations that can be downloaded from the Wolfram Demonstrations Project, and examine documents in the CDF format. It's free.
Installing Winplot on a Mac, part 1 Alternative link for Darwine Winebottler, an alternative to Darwine	If you, like me, love the Mac more, there may be a way to run Winplot on your Mac without having to install Windows. Part 1 to the left is how it used to work. Unfortunately, it depended on a program (Darwine) which is no longer in development. Caroline Bresnan did some research and we came up with the second two links to help. However, Grapher, the program that's already in the Utilities folder on your Mac, is pretty easy to use, and you'll be getting some experience with GeoGebra (which is cross-platform) in class. If you check out the Grapher tutorials links on this page, I think you'll find you can use that just fine. If you do work the Winplot thing on your Mac, you'll probably need to change the font on the axes to something like Courier. Look in the Misc menu.

GeoGebra tutorials	This is the link to the tutorials on the official GeoGebra site.
Guillermo Bautista's GeoGebra tutorials	Mr. Bautista teaches at a university in the Philippines, and his tutorials are very good.
Winplot video tutorials	This is a collection of Flash videos that show you how to do a variety of things in Winplot, from the most basic graphs to differential equations and integration. (If you don't know what those last two are yet, you will eventually.)
Winplot Instructions	These are from the University of Hawaii's math lab.
Lin McMullin's Winplot files	This site hosts files designed to teach illustrate some mathematical concepts using Winplot.
Mac Grapher video intro	A no-audio quick start guide (1:30) to graphing using Grapher (in the Utilities folder already) on your Mac. You can also try searching YouTube for Mac Grapher. There are several different tutorials there the last I checked.
Grapher on MacRumors.com	A brief non-video reference for Mac Grapher
The Putterer's Mac Grapher help	That's the first one; a second, more advanced post, is here.
Graphing in Excel 2007	These are tutorials I wrote myself to help you make scatter plots and graph mathematical functions in a spreadsheet. The instructions also work with Excel 2010, and with some alterations in where to find the commands, with other spreadsheets as well.

Atomic Learning tutorials	A bunch of tutorials on using the TI-Nspire from a company called Atomic Learning.
Getting Started with TI-Nspire™ CX	From this link, you can download a pdf guidebook to get you started with the calculator.
TI-Nspire mini-tutorials	A bunch of videos for doing specific tasks on the TI-Nspire. They go sort of fast sometimes, but they also come with a pdf of the keystrokes to follow.
Graphing Calculator Help	Prentice Hall graphing calculator help, for TI-83(or 84) and TI-89, Casio, and Sharp
Finding Your Way Around the TI-83...	..and TI-84 series calculators. This site has instructions on how to use this calculator for specific math topics.

Paul's Online Math Notes	These are notes from a college professor for his college algebra, trig, calculus, and differential equations classes. Both the college algebra and the trigonometry topics would be useful in precalculus class.
Common math errors	This is a pretty good list of the types of math mistakes that high school and college students commonly make. If you think that you're making too many careless mistakes and aren't sure how to stop, this might be a good place to look.
Susan Cantey	This site is from a (recently retired) math teacher in Cincinnati and is designed for her own students to use. There are some useful resources in the precalculus and calculus sections.
Monterey Institute	This site has materials for seven different AP courses: calculus AB and BC, APES, physics B and C, US Government, and US History. They are video lectures.
Pascal and Fermat probability correspondence	This is a translation into English of the actual letters that Blaise Pascal and Pierre de Fermat wrote to each other from 1654-1660 when they worked out the basics of the mathematical field of probability. It shows that even ridiculously brilliant people aren't always right the first time and how ideas like these can be developed in discussion.
The Math Page	Examples with "answer" blocked until you move cursor over for practice. The topics include algebra, geometry, trigonometry, precalclulus, and calculus.
Applets for math courses below calculus	Applets for math classes "below calculus" at St. Louis University, many are Geogebra, also Sketchpad and Java: families of functions, translations and dilations, function composition, linear equations, quadratic equations, conics, law of sines, vector addition, vector dot products, trig functions, sine curve fitting, reflections, cross-sections for 3-D graphs, parameterized curves
Wolfram Demonstrations Project	This is the "by topic" page of the Wolfram Demonstrations Project. You will need the free Wolfram CDF player to use them. There's a ton of stuff here.
TeacherTube videos	This site has a large collection of videos on lots of academic subjects. When I searched on logarithms, for instance, I got 10 pages of hits.
S.O.S. Math	Lots of topics, in areas ranging from algebra through calculus.
S.O.S. Math - CyberExam	Practice tests from SOS math
Common Errors in College Math	Common errors to avoid in math. While some of the examples used are calculus, lots of the things mentioned are applicable throughout high school math.
The Interactive Mathematics Classroom	An Australian site with links to a bunch of interactive things on high school math. There are a bunch of Geogebra things. Geogebra is a free interactive geometry and graphing program.
Math Reference Tables	A whole bunch of mathematical reference tables.
Math2.org	Tables of information on lots of math topics, and a "white board" on which you can "write" with your mouse back and forth with other users, which makes it easier to write mathematical symbols.
Math Forum: Pre-Calculus	Links to internet pre-calculus resources.
Graphical Transformations	Horizontal and vertical translations, reflections in the x- and y-axes, horizontal and vertical dilations,

Demos for Optimization Problems	This is a bunch of optimization (max/min) problems with visual demonstrations to help you understand what the problem is about.
Visual Calculus	There is a lot of stuff here, but it can sometimes be difficult to identify exactly what you want. On the first page, choose the general category of problem you're interested in, and then you probably want the tutorial on the appropriate topic first. After that, you might want to try some of the other resources listed for the topic.
Paul's Online Math Notes	These are notes from a college professor for his college algebra, trig, calculus, and differential equations classes.
Common math errors	This is a pretty good list of the types of math mistakes that high school and college students commonly make. If you think that you're making too many careless mistakes and aren't sure how to stop, this might be a good place to look.
Susan Cantey	This site is from a (recently retired) math teacher in Cincinnati and is designed for her own students to use. There are some useful resources in the precalculus and calculus sections.
Monterey Institute	This site has materials for seven different AP courses: calculus AB and BC, APES, physics B and C, US Government, and US History. They are video lectures.
University of Houston calculus videos	Calculus lectures, 15 to 30 minutes each, which include examples and explanations. They seem pretty thorough.
University of Houston calculus tutorials	While also from UH, these are not the same as the videos above. To get to the written explanations: click on the topic, then on the link under Help Materials, and you get to a page with problems to work. Click on the "Help on This Topic" graphic in the upper left corner of that page to get worked out explained problems first. The practice problems have both "answers" — no explanation — and solutions — which include the explanation.
The Math Page	Examples with "answer" blocked until you move cursor over for practice. The topics include algebra, geometry, trigonometry, precalclulus, and calculus.
Mr. Bird's Calc Page	A calculus site by a teacher in Indianapolis, which is very heavy on calculator technology. There is also a file of "stuff you must know cold," advice for taking the AP calculus exam, right and wrong ways to use your calculator, calculus songs, primers for TI-Nspire and TI-89, and more.
Calculus Applets at SLU	Calculus applets from St. Louis University: epsilon-delta, continuity, secant/tangent, slopes and derivatives, first and second derivative graphs, linear approximation, Newton's method, chain rule, differentiability, Riemann sums, area between curves, length of a curve, solids of revolution, solids with known cross-sections, Taylor polynomials, sequences and series, series functions, series grapher
Precalculus Review	This is a precalculus review for AP calculus students.
Wolfram Demonstrations Project	This is the "by topic" page of the Wolfram Demonstrations Project. You will need the free Wolfram CDF player to use them. There's a ton of stuff here.
Spreadsheet Calculus on Instructables	These are instructions on how to do some calculus concepts in a spreadsheet, on the incredible site, instructables.com. Spreadsheet Calculus: Derivatives and Integrals Spreadsheet Calculus: Newton's Method Spreadsheet Calculus: Euler's Method
TeacherTube videos	This site has a large collection of videos on lots of academic subjects. When I searched on logarithms, for instance, I got 10 pages of hits.
The Calculus Page Problems List	Some calculus problems with worked-out solutions. Unfortunately not all of the topics listed actually have notes linked to them.
S.O.S. Math	Lots of topics, in areas ranging from algebra through calculus.
S.O.S. Math - CyberExam	Practice tests from SOS math
Common Errors in College Math	Common errors to avoid in math. While some of the examples used are calculus, lots of the things mentioned are applicable throughout high school math.
Tutorials for the Calculus Phobe	Mike Kelley's calculus tutorials, unfortunately only up through basic derivatives; the site has indicated that more of these would be coming for several years now. Mr. Kelley is the author of the Idiot's Guide that I issue to my calculus students, and I think his explanations are really good.
Calculus-Help.com's Interactive Cheat Sheet	Mr. Kelley's Interactive Calculus "Cheat Sheet" is a flash movie with formulas and such.
The Interactive Mathematics Classroom	An Australian site with links to a bunch of interactive things on high school math. There are a bunch of Geogebra things. Geogebra is a free interactive geometry and graphing program.
Midnight Tutor	One guy's instructions on how to study and make A's in calculus, along with a bunch of tutorials for calculus.
Math Reference Tables	A whole bunch of mathematical reference tables.
Math Forum: Calculus	Links to internet calculus resources.
Math2.org	Tables of information on lots of math topics, and a "white board" on which you can "write" with your mouse back and forth with other users, which makes it easier to write mathematical symbols.
Lou Talman's "Short Notes on Various Things"	If you're interested in a more formal explanation of some important topics, this is a place to look. Not for the casual reader.
Mathematics Animated	Animation of some (mainly calculus) topics. Includes some 3D things.
Meg Clemens' favorite calculus links	Another teacher's collection of calculus links; she breaks them down by what topic you might want to learn

Graph paper to download and print	A collection of pre-made graph paper in PDF format. This one also lets you specify your own measurements and will customize the grid for you.
Incompetech's graph paper collection	A nice collection of PDF graph and other grid-type paper.
Graph paper, 2 mm, (blue) Graph paper, 2 mm (gray) Graph paper, 1/2 cm (blue) Graph paper, 1/2 cm (gray)	These print best on highest quality. I made them myself.
Protractor	Semicircular protractor to print.
Rulers	This is one page with several identical cm/inch rulers you can cut out and use.
More rulers	This is the site I got the one above from.

Eric Weisstein's World of Mathematics	A massive math reference site, described like this: "MathWorld is a comprehensive and interactive mathematics encyclopedia intended for students, educators, math enthusiasts, and researchers." It gets very high level, but can also be useful for pre-calculus and calculus topics.
How to learn things online	This is a Lifehacker article giving some good places to look when you want to learn just about anything using online resources.
The Art of Problem Solving	This is the tagline at the top of the page: Is math class too easy for you? Are you looking for a greater challenge? You've come to the right place!
The Math Forum: Ask Dr. Math	Ask Dr. Math is a question and answer service for math students and their teachers. A searchable archive is available by level and topic, as well as summaries of Frequently Asked Questions (the Dr. Math FAQ).
The Math Forum Internet Mathematics Library	The Math Forum's Internet Mathematics Library is an annotated catalog of mathematics and mathematics education web sites.
The Math Forum: Student Center	Links to help, interesting problems, "tips and tricks," and resources designed for students at various levels.
Guide to Writing in Mathematics	This was written by a college calculus teacher for her students, but many of the points she makes are helpful in exploration writing.
NACME	A site for those interested in engineering as a career. The particular page I have linked to is types of engineering one can study, but there's a lot more information available on the site.
Algebra Review in Ten Lessons	A serious review, with formal definitions. Lots of info here, though.
Learning to Factor (Ask Dr. Math archive)	Answers to questions submitted by students about how to factor numbers and polynomials.
Missouri State University Problem Corner	A "problem corner" with problems for enjoyment and challenge, divided up by level of difficulty.
Mu Alpha Theta	An organization for high school math competitions. You can find articles and problems here.
The Logical Fallacies	Oh, the mistakes we make. This is one reason why you can't believe everything you read or hear.
Topology and Geometry	Some nifty little programs and games.
Powers of Ten video	A very cool way to understand how big and small powers of 10 really get.
The Math Forum Problems Library	Problems on lots of different math topics at all levels.
Numbers in Over 5000 Languages	Want to learn to count to 10? This is where I got all those numbers in which to count mistakes.
The Story of Mathematics	An ambitious web site that collects mathematical history from a variety of sources and organizes it here.
Glossary of Mathematical Terms	Guaranteed to include things you've never heard of before.
BEATCALC: Beat the Calculator	Tricks for doing mental mathematics.
Interactive Mathematics Miscellany and Puzzles	Lots of diverse topics and interesting facts.
Coolmath.com	Designed to make math fun. Some cool programs to demonstrate concepts, some games, some tips on how to succeed in class.
Square Roots Without a Calculator	This is from the Ask Dr. Math archives, and has brief articles on how the calculation of square and cube roots can be done without a calculator.

College Board Online	Registration and practice for the SAT, and information about getting ready for college in general.
Advanced Placement	The College Board's AP section
International Baccalaureate	The official site of the International Baccalaureate.
AMC info	Information about the American Mathematics Contest. For the past few years, Polk State has offered local students a chance to take this there for free. When they give me information, I'll tell you in class.
Varsity Tutors	This site offers practice for a boatload of different tests one might take, including college entrance and Advanced Placement exams. To be honest, they asked me if I would consider linking to them (who knew a link from my site could be desirable, right?), but it looks like it might be useful to some of you. Feel free to report back on what you find if you check it out.