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GrandCalc is a simple calculator with a modern look and feel, though excellent for computing logarithms in particular. It’s straightforward from its first launch: enter your input and go!

It has a clean display of numbers and expressions in a split view. These areas are collapsible, and you can move across a long number using the left- and right-arrow keys on your keyboard. When you press the Enter key, any new input is calculated.

It has a searchable built-in record for each operation (you can change it from All to Latest and even Last Operation to track the last one) that can be printed or saved to .txt

What's New

Version 1.43:
  • New Calculator View
  • New Errors log
  • New right-click menus
  • All logs are now fully searchable
  • Operations List can now be cleared up and reloaded
  • Many fixes and improvements


  • OS X 10.6 or later

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GrandCalc User Discussion


Current Version (1.x)


Downloads 285
Version Downloads 285
License Free
Date 06 Mar 2013
Platform Intel 64 / OS X
Price Free
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