Graph 89

Perihelion Development

About this app

Emulate any of the following calculators:

* TI89, TI89T
* TI92, TI92+
* V200
* TI84+, TI84+SE
* TI83, TI83+, TI83+SE

No ROM images are included. You can extract one from your own calculator or if you have a physical device, download an OS upgrade image from TI.

This is a fork of Graph 89 to support 64-bit OS architectures and the modern Android Storage Access Framework.

This app is not actively being improved.
Special thanks to eanema for their work getting it working with 64-bit devices.
https://github.com/Perihelion-Development/graph89

Ratings and reviews

Love the app on my Pixel 8, but I can't access the settings once I've loaded the rom. On older phones I'd press the back arrow and it would bring up the menu, pressing it twice would close the app. Now hitting back once closes the app and no menu pops up. If this gets fixed this will once again be amazing. edit: found the emu button which brings up the menu. Incredible!

Please fix the bug that is currently crashing the calculator when attempting to send programs and data to TI files such as .89p and .89e files. When attempting to do so by navigating to var-link and choosing F3, then Send, the calculator crashes in a bad way. For me this is a major deficiency, which prevents me from using this otherwise fine piece of software. I hope the developers fix this soon.

touch zones on the 'minimal 84' skin are bady misaligned, please fix

What’s new

Fixed crashing issue in version 1.3.0 on launch for some devices.
Fixed issues with sending files to and from the calculator (changed how threading works as part of this)
Increased target SDK for Play store policies.
Aligned 64-bit libraries to 16KB pages for Play store policies.