This software is presented by ALLTECH association which brings library of math.

This application contains a list of all Trigonometric formulae and identities that can help you get good grades in mathematics.
Its a handy tool to provide you with all the help without having to remember even one formula.

To do a geometrical and mathematical sum, converter
MathX allows to calculate most of the parameters of two-dimensional and three-dimensional geometric shapes, convert units of measurement and perform algebraic calculations.

Math Formulae Lite is one unique app that is particularly designed for College Grade/Higher Grade Students. It lists out all the important formulas in Algebra, Trigonometry and Calculus. Regular review of these formulas/concepts will definitely help improve your grades.