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This is a clever animation of Ken Robinson, talking about why education often doesn’t work as intended.

This video shows how we can improve our lives using sensing data.

Autograph is a well-designed 2-D and 3-D plotting application for education. Here’s my review.

Biorhythm graphs are an interesting – but unscientific – application of sine curves.

Dave tells us about his interesting working career that often involved math, and how he recently became a math teacher.

Where did the missing square go? We can use slopes of lines to solve this puzzle.

Is this a viable answer to the many problems experienced by mainstream schools?

I’ve added a new page containing 3 interactive graphs which explain parabola concepts.

Is there a difference between paying someone to do your math homework and getting a computer to do it? Are they both unethical?

Here are some interactive graphs that help you better understand distance, slope, parallel lines and perpendicular lines.