What's New
Ver 2.3
- Improved animation of buttons (no lag)
Ver. 2.0
- Backspace function to correct numbers during entering
- Correction of numerous bug regarding number display
- Optimization for most screen sizes
Ver. 1.3
- Setting menu deactivated
- Prevents division by zero instead of showing (falseà result 0
Ver. 1.2
- Application adapted to all screen sizes
Ver. 1.1
- Bug correction concerning the change sign key
Ver. 1.0
- Initial version
About RPN Calculator Android App
Easy-to-use calculator for simple mathematical operations using powerful Reverse Polish Notation (RPN), like HP calculators as HP-48 series or HP-12C.
This app is ad-supported (that's the only purpose for which network access permission is used). If you prefer, a Premium version is also available with some additional buttons, no ads and no network access permission necessary.
Instructions
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The stack
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When you type a number and press Enter, the number is stored in the lowest position of the stack, marked by 1:
If you type another number and press Enter, the second number takes the lowest position, and the first number is pushed to position 2: (if you just press Enter without typing a new number, the first number is duplicated).
You can store up to 50 numbers in the stack, even though the screen only shows the numbers on the 4 lowest positions (1: to 4:)
If you press the Down arrow, the number in the lowest position in the stack is erased, and the others are popped one position down.
Press C to cancel the number while you are typing. Press C again to clear the stack.
Mathematical operations
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If you press one of the mathematical symbols (+,-,x,÷), the corresponding operation is executed using as operands the two numbers in the lowest positions of the stack.
If you press one of the mathematical symbols while typing a number, the operation is executed between the number in the lowest position of the stack and the number that you are currently typing.
The ± key will change the sign of the number that you are currently typing or that of the number in the lowest position of the stack otherwise.
Example
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If you want to compute the operation 2 x (8 - 5) do as follows:
- Type 8 and Enter
- Type 5 (followed optionally by Enter) and -
(You can also sum -5 doing: 5, ±, +)
- The lowest position of the stack shows the partial result (3)
- Type 2 and x (or 2, Enter, x)
- The final result (6) is shown on the bottom of the stack
Other Information:
Download
This version of RPN Calculator Android App comes with one universal variant which will work on all the Android devices.
All Versions
If you are looking to download other versions of RPN Calculator Android App, We have 1 version in our database. Please select one of them below to download.
