No Equal RPN Calculator
iOS app by Stan Corbin. Utilities · Stan Corbin
- Store rating
- 4.88 / 5
- Store rating count
- 8
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0.3
- Listing last refreshed
- 2026-09-11
View the original store listing
Store description excerpt
This scientific calculator uses Reverse Polish Notation (RPN), similar to most HP calculators produced since 1972. RPN is more efficient for complex calculations. Unlike many RPN calculators, the No Equal calculator always shows the stack. This allows you to see both numbers before performing an operation, and it makes it easier to keep track of where you are in a complex calculation. The No Equal calculator has 10 memory registers. It also has a special function for solving quadratic equations (see the built-in help for details). This is the initial release of the No Equal calculator. Additional features will be coming soon.
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