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PCalc is a full-featured, scriptable scientific calculator with support for hexadecimal, octal, and binary calculations, as well as an RPN mode, programmable functions, and an extensive set of unit conversions.

A Dashboard Widget is included with the main application.

What's New

Version 4.0.2:

  • User functions and conversions can now access the RPN stack, use bitwise operators, and get and set values on the clipboard.
  • Added support for hex, octal, and binary user functions and constants.
  • Added "Rol n" and "Ror n" buttons for rotating by an arbitrary number of bits.
  • Added an option to stop the buttons from taking clicks when in the background, more...


  • OS X 10.8 or later

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5 28


Current Version (4.x)


Downloads 53,798
Version Downloads 325
License Commercial
Date 16 May 2014
Platform Intel 64 / OS X
Price $9.99