Daniel Ethier

Cushion Caroms is a simple variation on billiards. The goal is to hit the red and yellow balls with the white cue ball. The challenge is to hit as man …

Spirolaterals allows you to explore geometric line designs based on applying a simple rule to a number sequence. Be warned though: spirolaterals can b …

Gradekeeper makes dealing with grades easy!Thousands of teachers use Gradekeeper to manage their grades. Now you can work with your Gradekeeper classe …