Math Training - Math Training is a fun way to practice your basic arithmetic. Choose from four signs of math: addition, subtraction, multiplication, and division. Find the correct answer from four. When you click "stop" view your final result!
Sketch2Go Sketch2Go is a qualitative graphing tool. Graphs are sketched using seven icons representing constant, increasing, and decreasing functions that change at constant, increasing, or decreasing rates
HexNumber This is a number converter. You can enter a decimal, hexdecimal, binary or octal number and see what it is in the other formats. The full version has a very much better interface plus you can convert to and from any base, it's available only for 0.5$
Jasymca Jasymca is a symbolic calculator. It solves and manipulates equations, handles basic calculus problems, and provides a few more typical functions of computer algebra systems