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Calculator Expert is the most precise mathematical app for your Mac. It lets you conduct an unlimited amount of calculations accurate to the very last digit.

Calculator Expert uses a highly precise mathematical library. Thus it doesn't have to approximate the result and guarantees that you get mistake-free calculations even if you're doing trigonometry.

The computation history is stored within the app. You can view, edit and erase your calculations any time you want to. Moreover, prior results can be used to carry out new calculations.

All the arithmetic operations and more than 25 mathematical functions more...

What's New

Version 1.3:
  • Computation sequence logic improvements
  • x^2 and x^3 works the right way now
  • Added support for keyboard input


Mac OS X 10.5 or later

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Thegentleman Member IconComment+3

This sounds like the free calculator application that ships with the 10.6.x operating system. 15 digit precision, Basic, Scientific, and Programmer styles, Degrees or Radians, Copy and Paste of the displayed number, Number grouping with "Thousands separator", Can be used in RPN mode, Multiple conversions available, including current currency exchange, "Paper Tape" available that can be printed or saved. And spoken results. All for $1.99 LESS than buying this app.

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Version 1.3
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Current Version (1.x)


Downloads 359
Version Downloads 359
License Commercial
Date 27 Apr 2012
Platform OS X / Intel 32
Price $1.99