This is a scientific calculator and a replacement for standard calculator. PG Calculator works in algebraic and RPN modes. It recognizes real and complex numbers, and allows vector manipulations. There are up to 120 units of measure that can be converted. PG Calculator enables number inputing in binary, octal, hexadecimal and exponential formats. PG Calculator contains list of commonly used mathematic, physic and chemical constants and supports user-defined variables. Simple financial calculations are possible with built-in Time Value of Money Solver.