RPN Calculator 34C

Reverse polish notation calculator inspired by classic HP-style handheld calculators.

If you are an older engineer, you may remember from back in the day...

Features

• 4-level stack: T, Z, Y, X
• Basic arithmetic: + - * /
• Entry and editing: ENTER, +/-, Backspace, CLX, C
• Stack operations: DROP, SWAP, R↓, LASTX
• Math functions: %, 1/x, √x
• Stack display
• History panel for reference

More information is available in the FAQ.

Forked from Calculator UI by SoHWichu.