Touch 15i app for iPhone and iPad

4.2 ( 6512 ratings )

Utilities Productivity
Developer: Elvis Pfutzenreuter

4.99 USD

Current version: 3.10, last update: 7 years ago
First release : 21 Mar 2014
App size: 20.69 Mb

Touch 15i is an RPN scientific calculator for iOS that implements most functions of the HP-15C, including programming, matrix, equation solving and numeric integration.

Features:

* Quick guide (touch right upper corner to show)
* Copy to clipboard (touch left upper corner to copy)
* American, European and Indian decimal separators (touch ON to open Settings)
* Visual feedback for typing
* Audible feedback (touch ON to open Settings)
* Save memory to iCloud
* Vertical layout. Orientation can change with phones rotation or stay fixed.