Company Relentless Entertainment created these great apps:
Cop And A Bad Man, IntroToGraphCalc, MathCast: College Algebra, MathCast: College Algebra Graph Calc, MathCast: Algebraic Cheat Sheet, MathCast: Trigonometry, Mathcast: Precalculus, Mathcast: Calculus 1, Mathcast: Fractions, MathCast, and others..
