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