Brand: SHARP
Model: "ELSI MATE" EL-826
Type: Calculator
Picture: SHARP EL-826
Batteries: Solar cell
Lifetime: Introduced: around 1980
Terminated: unknown
Notes: Plain calculator with basic functions, percentages, square root and memory. It’s only solar powered, so memory is lost in the dark.

This calculator is quite small and really thin. The keys have just a little height. Does not need a lot of light, powers on under incandescent light.