Math PAck 83+ Requires Ti-83+ series calculator, although, there isn't any particular reason why It shouldnt run on any z80 TI calc. Simply send MATHPACK.8xp to your calc and run. Complete the Square This utility will find the roots of ANY quadratic function and display the steps used to do so. Function Finder Enter any equation and any value of X and it will solve it. Cylinder Volume This finds the volume of a cylinder, given radius, and height. Sierpinski Area This finds the volume left/removed at stage N of Sierpinski's triangle. Decimal2Binary Converts and integer -4095 through 4095 to binary, displays it, and stores it to Str1