Rista Scientific Calculator and Converter is an Android scientific calculator and converter. It contains almost all types of mathematical, geometrical, trigonometrical and number functions. Such mathematical functions are square, power, square root, cube root, factorial, percentage etc. Geomatrical functions such as degree, radian, pie etc. Trigonometrical functions such as sin, cos, tan, their inverse. Log, antilog, logp, lot10, expm etc. It has five types of converters. Area, volume, length, weight, temperature.