Calculator N Converter

Calculator N Converter: 1- Calculator with scientific functions, with Big Keys making it comfortable to type & optional vibrate Key feedback. Scientific Functions like e, log, ln, pow, pi, sin, cos, tan, invert, square, squareroot, cuberoot. Memory Functions like a real Calculator i. E. Memory Store, Memory Recall, Memory + or (M+), Memory - or M-, Memory Clear(MC).