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pmaCalcScreenshot 

 

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 ...

Screenshot of pmaCalc