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RPN Calc

RPN Calc
  • #: 233562
  • Price: $2.99 In Apple Store
  • Category: Utilities
  • Updated: 2016-09-19
  • Current Version: 9.0.3
  • 9.0.3
  • Size: 1.50 MB
  • Language: English
  • Seller: James Mattis
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.2 or later.
  • © 2008 James Mattis
  •  Add to Favorite apps



A simple reverse polish notation calculator loosely based on my trusty HP-32SII that runs on iPhone, iPad, and Apple Watch!

If you are familiar with HP RPN calculators, the operation of this calculator should seem very straightforward - albeit simplified. It can't be programmed, and it doesn't handle binary, or hexadecimal numbers.

But, it has a clean, simple interface with large, easy to press buttons. It has all of the functions required for quick calculations when your iPhone is handier than your computer or calculator.

And, remember those cool calculator watches from the 1980s? Unfortunately, none of them were RPN. RPN Calc brings a reverse polish notation watch calculator to the Apple Watch!

In addition to the standard RPN Calculator app that runs on iPhone, iPad, and Apple Watch, RPN Calc includes a handy micro RPN Calc Today Extension available for convenient access to quick calculations from the pull down Today screen.

What's New in Version 9.0.3

- New quick launch complication for Watch app!

- Minor bug fixes.

View iPhone screenshots | View iPad screenshots

iPhone Screenshots

RPN Calc iPhone Screenshot 1
RPN Calc iPhone Screenshot 2
RPN Calc iPhone Screenshot 3
RPN Calc iPhone Screenshot 4
RPN Calc iPhone Screenshot 5

iPad Screenshots

RPN Calc iPad Screenshot 1

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The information may be outdated (2017-03-08 20:40:41). For actual information go to iTunes

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