Interactive Mathematics http://www.intmath.com/ Learn math while you play with it! en Interactive Mathematics http://www.intmath.com/images/HOME.gif http://www.intmath.com/ 24 24 Friday math movie: How it feels to have a stroke http://www.squarecirclez.com/blog/?p=6976 http://www.squarecirclez.com/blog/?p=6976 Jill Bolte Taylor's Stroke of Insight
This is a fascinating story about a brain scientist who had a massive stroke at age 37 - and who lived to tell the fascinating tale.]]> IntMath Newsletter: Google Science Fair, e Day, math products http://www.squarecirclez.com/blog/?p=7017 http://www.squarecirclez.com/blog/?p=7017 In this Newsletter:

1. Google International Science Fair
2. "e" day next week (2/7)
3. The Versa Ruler
4. Answerify - a new forum
5. AutoGraph software review
6. Friday math movies
7. Final thought - make it creative

]]> Friday math movie: Carlo Ratti Architecture that senses and responds http://www.squarecirclez.com/blog/?p=6319 http://www.squarecirclez.com/blog/?p=6319 data feedback
This video shows how we can improve our lives using sensing data.]]> Autograph 2-D and 3-D graph plotter: a review http://www.squarecirclez.com/blog/?p=6989 http://www.squarecirclez.com/blog/?p=6989 Autograph plotter
Autograph is a well-designed 2-D and 3-D plotting application for education. Here's my review.]]> Friday math movie: Spirals, Fibonacci, and Being a Plant http://www.squarecirclez.com/blog/?p=6892 http://www.squarecirclez.com/blog/?p=6892 spirals Fibonacci
Vi Hart presents an enthusiastic rendering of spirals and Fibonacci, as relating to plants.]]> IntMath Newsletter: Biorhythm and parabola graphs http://www.squarecirclez.com/blog/?p=6950 http://www.squarecirclez.com/blog/?p=6950 In this Newsletter:

1. Biorhythm graphs
2. Interactive parabola graphs
3. Space scientist turns math teacher
4. Latest IntMath Poll - individual study
5. Friday Math Movies
6. Final thought - Sharpen your math tools

]]> Biorhythm Graphs http://www.squarecirclez.com/blog/?p=6943 http://www.squarecirclez.com/blog/?p=6943 Biorhythm graphs are an interesting - but unscientific - application of sine curves
Biorhythm graphs are an interesting - but unscientific - application of sine curves.]]> Space scientist turns math teacher http://www.squarecirclez.com/blog/?p=6930 http://www.squarecirclez.com/blog/?p=6930 Dave's story
Dave tells us about his interesting working career that often involved math, and how he recently became a math teacher.]]>