Pocket 68k recreates the hardware of a 68k graphing calculator on iPhone and Android: the processor, memory, screen and keys. It works with the TI-89 and TI-89 Titanium operating systems. Run the OS from a calculator you own and you get its computer algebra system, graphs in 2D and 3D, and the programs and games you already use.
No calculator OS comes with the app. The OS belongs to the calculator's maker, so you add your own, from a backup of a calculator you own. Keypad skins change the look. Try it free for 7 days, then unlock it once. No subscription, no ads, no tracking.
Pocket 68k is not affiliated with or endorsed by Texas Instruments. TI-89 and TI-89 Titanium are trademarks of Texas Instruments.
- Runs on
- iPhone and Android
- Works with
- The TI-89 and TI-89 Titanium operating systems
- You bring
- The OS, from a backup of a calculator you own
- OS files
- .89u, .tib, or a full .rom backup of your calculator
- Games and programs
- Open a .89z, .89p or .89y file with Pocket 68k to send it to the calculator
- Math
- Computer algebra, 2D and 3D graphs
- Look
- Keypad skins change how the keys look
- Control Center
- Open the calculator in one tap, on iOS 18 and later
- Price
- Free for 7 days, then a one-time unlock
- Privacy
- No accounts, ads, analytics or network access
Skins
Add to Pocket 68k opens the skin in the app. Download saves the file to open later.
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Classic
The layout you know
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Simple
Simple and neutral
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Basic+
Big keys, expands
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