Touch 11i Lite app for iPhone and iPad

4.6 ( 1696 ratings )

Utilities Productivity
Developer: Elvis Pfutzenreuter

Free

Current version: 3.10, last update: 6 years ago
First release : 19 May 2017
App size: 24.93 Mb

Touch 11i is a full-featured RPN calculator that implements most functions of the beloved HP-11C calculator. It is feature-complete (including programming and subroutines).

This is the free version. Check out the premium version (same name: Touch 11i) for many extra features like vertical layout, save memory image, and more.