Brilliant. I always learnt more by doing. A few years ago I came across ARCalc[0] and playing with it really made me grok functions. Now SineRider gamifyies th

Brilliant. I always learnt more by doing. A few years ago I came across ARCalc[0] and playing with it really made me grok functions. Now SineRider gamifyies the exploration of functions. Neat! [0] http://www.pouet.net/prod.php?which=30468 http://www.pouet.net/prod.php?which=30468