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MathGraph32 is a great free tool for exploring 2D and 3D math concepts.

Can you count faster than a chimp? Our number sense begins with our ability to count.

See this PBS documentary about the development of fractals and how they are used in computer graphics.

HOTmaths is an interesting online math resource. I take another look after a few years.

Here’s an interactive graph where you can explore straight lines, parabolas, cubics and Bezier curves.

Here’s an interactive graph that allows you to explore the concepts behind the Fourier Series.

Here’s a real-life application of calculus posed by a roller door engineer.

Students in Ajab village, India, enjoying a math lesson via Web conference from the US.

Calculus can be a bit of a mystery at first. Explore these graphs to get a better idea of what differentiation means.

A reader asked how to find the volume of a pendant-shaped container. We need volume of solid of revolution.