Texas Instruments TI‑608


Brand: Texas Instruments
Model: TI-608
Type: Calculator
Picture: TI-608
Batteries: Solar cell + 189 x 1 (battery backup, not required)
Lifetime: Introduced: 1994
Terminated: unknown
Notes: Plain calculator with rounded edges and a screen that can tilt but won't stay up. This calculator has basic functions and memory.
When the "ON/AC"-key is pressed the memory is also cleared.

The case is very hard to open when the battery needs replacement.