RPN35 app for iPhone and iPad

4.2 ( 112 ratings )

Business Utilities
Developer: Enrique Haro

Free

Current version: 1.3, last update: 4 weeks ago
First release : 13 Nov 2024
App size: 713 Kb

An Accurate representation of the classic HP calculators, using the RPN (Reverse Polish Notation) notation.
- HP-35 and HP-45
- HP-21
The HP-35 and HP-45 were the first pocket scientific calculators released to the market by Hewlett-Packard in 1972.
The HP-21 was a Second Generation of the HP-35 released in 1975