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Free RPN Calc

By Thomas Chapuis

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Description

A free scientific RPN (reverse polish notation) calculator for everyone.

This calculator offers three display formats:
- standard
- scientific: number always displayed with Exx
- engineer: number displayed with Exx format where xx is a multiple of 3.
You toggle between these three formats by pressing the "Format" key.

This calculator has a stack of 4 numbers:
- t
- z
- y
- x : the number currently displayed
When an operation is performed, the stack is popped, but the value in t remains, like in HP calculators.

In Reverse Polish Notation the operators follow their operands; for instance, to add three and four one would write "3 4 +" rather than "3 + 4". RPN calculators do not use parenthesis and require less key pressing than usual calculators. For example 3 * (7 - 5) + 2 in RPN is 7 5 - 3 * 2 + .

What's New in Version 1.1

- Bug fixes, improved input buffer & stack management
- Save / restore application state
- Larger buttons

iPhone Screenshot

iPhone Screenshot 1
Free RPN Calc
View In iTunes
  • Free
  • Category: Productivity
  • Updated:
  • Version: 1.1
  • Size: 0.3 MB
  • Language: English
  • Developer:

Compatibility: Requires iOS 2.1 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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