Discussing functions can be a tricky endeavor, but having a handy interactive way to talk about functions can relieve a great deal of stress. As part of the Mathematical Sciences Digital Library, this Functions Grapher application is designed to let users enter one or two functions. After doing so, users can trace along either one with coordinates shown dynamically changing at all times. The...

If you're a mathematics educator, you'll find the GeoGebra site to be a perfect addition to your stable of online resources. On the top of the homepage, visitors can look through sections that include About, Download, Community, and Materials. Most visitors will want to download the GeoGebra application as it is the primary way to utilize the 44,000 learning activities offered on the site. After...

Douglas Arnold, Director of the Institute for Mathematics and its Applications in Minneapolis and Professor of Mathematics at the University of Minnesota, has posted this website of "excerpts from a collection of graphical demonstrations" he developed for first year calculus. Visitors will find an overview and animations for topics such as differentials and differences, computing volume, how a...

Calculus may seem to be quite dismal to some, but it comes alive through the fine work of Gabriela R. Sanchis. Sanchis wrote this excellent piece on teaching calculus by drawing on the historical evolution of some of its key concepts. With support from the National Science Foundation, she also made sure to include several interactive Java applets which educators can use in the classroom. This...

With the kind support of the National Science Foundation, the Shodor Education Foundation continues to provide a wide set of resources designed to assist educators with the formidable task of teaching young people about math and science. Since 1994, they have been responsible for the Interactivate website, which is designed to create, collect, and disseminate Java-based courseware for exploration...

The Khan Academy is a "not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere. " Designed as a type of educational tool and a living archive, the site contains over 2100 videos that include algebra lessons, calculus sessions, cosmology, and developmental math. The "tool" function comes in when visitors discover that they can...

Educational technologies continue to press onwards and upwards, and screencasts would seem to be one of the latest trends in this area. Screencasts basically combine narration with on-screen writing in order to demonstrate various procedures, principles, and processes. This website brings together a number of screencasts designed to teach various mathematical endeavors, and it will be quite...

The dedicated folks at the Mathematical Association of America (MAA) have created this handy compendium of learning capsules as part of their online digital library. This compendium contains fifteen different areas, ranging from General Tools to Antidifferentiation. These resources have been contributed and vetted by mathematics professors, learning specialists, and others actively involved in the...

This website is an excellent resource for math teachers teaching any age and level of students. The National Council of Teachers of Mathematics (NCTM), "support[s] teachers to ensure equitable mathematics learning of the highest quality for all students through vision, leadership, professional development and research." Visitors interested in making math fun will certainly want to read the lead...

More and more instructional materials in the field of mathematics can be found online today, though for several years, it was difficult to find high-quality textbooks in their entirety. Fortunately Professor George Cain of the Georgia Institute of Technology has created this website to remedy that situation. As Professor Cain notes on his site, "The writing of textbooks and making them freely...