r.Calc
iOS app by Nicolas Jorand. Utilities · Nicolas Jorand
- Store rating
- 4 / 5
- Store rating count
- 3
- Download price
- 0.99 USD
- In-app purchases
- Unknown
- Version
- 1.1
- Listing last refreshed
- 2026-09-10
View the original store listing
Store description excerpt
This classic RPN (Reverse Polish Notation) calculator is a simple calculator for daily uses. The calculator features a four visible level stack, the total stack size has a total of hundred positions. A progress bar on the top of the screen shows you how the stack is full. For now the implemented operations are; Plus, Minus, Multiply, Divide, Opposite, Inverse. Other facilities like swap the first two number in the stack and recall from the last operation the two arguments should simplify the life. All keyboard errors are notified by a vibration.
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