Ben's Math Programs
Math homework beware: countless hours saved here!
Auto-factor... go from x2 + 7x + 12 to (x+3)(x+4). Read more here.
Completing the square.
Good old Automatics Kinematics. Solves many problems, for situations with constant acceleration.
Solves 2-variable systems of equations.
Find triangle area from side lengths, included angle, or points.
Law of cosines, quick version.
Solves permutation problems like "how many 5-letter permutations can you create out of the letters in the word HAPPY?"
Degrees to radians, also showing the multiple of pi.