CalculatorX is an enhanced expression calculator. It can evaluate an expression for one time. You can use Arithmetic, Logic, Bitwise and Relation operations in your expression. And many system constants and built-in functions can also be used in the expression. CalculatorX even supports the custom variables, custom functions and note-line. You can use Binary, Octal, Decimal and HEXadecimal numbers in one expression to evaluate as well.

pmaCalc combines a scientific calculator, binary arithmetik for programmers, and unit converter in an interesting package. In addition to a fair range of scientific functions, it has an unusual numeric stack, and a binary mode that supports decimal, hexadecimal, octal, and binary arithmetic, with a full complement of logical operators and bit manipulation instructions. Unit Converter for 1000+ Convertions, Euro Calculator ...