How to build an engaging mathematics LMS for fun and profit.

In other words: if you introduce the solution (in this case, a new kind of math) before introducing the kind of problems that it’s meant to solve, the solution is likely to come across as pointless and arbitrary. But if you first let students try to tackle these problems with the math they already understand, they’re likely to come away with a kind of intellectual “headache” – and, therefore, to better understand the purpose of the “aspirin” you’re trying to sell.

Touch Trigonometry is a simple Flash gizmo (written entirely in ActionScript 3.0) that hopes to help math learners of all ages get an intuitive understanding of trigonometry. It aims to do that by letting you just play with the trig functions, with no buttons to get in the way.

models cause and effect in Java