r.Calc

r.Calc

by Nicolas Jorand

3 ratings
4 reviews
$0.99

Details

  • Released
  • Updated
  • December 4, 2024
  • December 4, 2024

Features

r.Calc screenshot #1 for iPhone
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About

A straightforward calculator utilizing Reverse Polish Notation (RPN) for everyday calculations. It offers a four-level visible stack with a total capacity of 100 positions, providing visual feedback on stack fullness. Basic arithmetic operations and stack manipulation functions are included.

βœ“Reverse Polish Notation (RPN) input
βœ“Four visible stack levels
βœ“100-position stack capacity
βœ“Progress bar for stack fullness
βœ“Basic arithmetic operations
βœ“Stack swap and recall functions
βœ“Vibration feedback for errors
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What's New in r.Calc

1.1

December 4, 2024

- Bug Fixes. - Add Clear All Stack. - Add French and Spanish Localization.

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User reviews

Excellent RPN calculator

I usually dont write reviews, but this is one of the most stable apps i own in the iphone. I bought this app a long time ago but Like others said, it does what it describes very well. Worth the 99 cents very good, nice job.

Does what it says, and does it well.

As I summarized in the title, it is a simple, straight forward RPN calculator. I've been using it for about 5 months now anytime i need a calculator on my phone, and it has held up to anything I have put it through. For those who don't know how to use RPN calculators, LEARN... It is a very useful way to do math. Once you know what is going on, you can work far faster, with far less re-inputing numbers. All in all I think this is a great little app.
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Awesome app

Love the 4 line display with an additional editing line which essentially turns this into a 5 line display. Can't wait to see future updates and where the developer can take this

Excellent for basic RPN use.

This is a fast, responsive RPN calculator for everyday use. Just the basic math operations without the clatter of other RPN calculators. As a result it loads very fast ready for use. And the vertical orientation, more natural for the iPod touch, is a definite plus. This is now my default calculator.

My only recommendation is to add a key to empty the entire stack with one keypress, there is room next to the "D" key. Hopefully in the next update.

Good job!
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FAQ

What is RPN and how does r.Calc use it?

RPN, or Reverse Polish Notation, is a method of calculation where operators follow operands. r.Calc uses this notation, meaning you enter numbers first, then the operation to perform on them.

What are the basic operations supported by r.Calc?

r.Calc supports fundamental arithmetic operations including Plus, Minus, Multiply, and Divide. It also includes functions for Opposite and Inverse.

How large is the stack in r.Calc and how is it visualized?

The calculator features a four-level visible stack with a total capacity of 100 positions. A progress bar at the top of the screen visually indicates how full the stack is.

Does r.Calc have any features to simplify calculations?

Yes, r.Calc includes features to simplify calculations. You can swap the first two numbers on the stack and recall the two arguments from the last operation.

How does r.Calc notify users of errors?

All keyboard errors in r.Calc are notified by a vibration, providing immediate feedback to the user.

What devices is r.Calc compatible with?

r.Calc is designed for Apple devices, specifically supporting iPhone and iPod.

How much does r.Calc cost and is it ad-free?

r.Calc is a paid application priced at $0.99. It is ad-free, as indicated by its monetization model and the absence of ad-related flags.

When was r.Calc last updated and what is its current version?

r.Calc was last updated on December 4, 2024, with its latest version being 1.1. This indicates recent development and support from the developer.