This is a standard calculator Functions included: Add, Subtract, Divide, Multiplicate. Cos, Sin, Tan, ArcCos, ArcSin, ArcTan. CosH, SinH, TanH, ArcCosH, ArcSinH, ArcTanH. Exp, SquareRoot, PowerOfTwo, etc.support for degrees, radians and gradians.Use at your own risk check your answers ;