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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.

Includes a Notification Center widget, and support for Handoff with the iOS 8 version.

What's New

Version 4.5:
  • Full support for macOS 10.13 High Sierra.
  • Completely rewrote the display code. Many exciting things to come later which are now possible because of this, but some changes today!
  • You can now drag values to and from any line of the display and the registers / stack window.
  • You can now adjust the size of the digits in the display, and make them much bigger or


  • OS X 10.8 or later

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PCalc User Discussion

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4.6 35


Current Version (4.x)


Downloads 55,359
Version Downloads 88
License Commercial
Date 15 Sep 2017
Platform Intel 64 / OS X
Price $9.99