Brand: CASIO
Model: HL-807
Type: Calculator
Picture: CASIO HL-807
Batteries: AA x 2
Lifetime: Introduced: 1979
Terminated: unknown
Notes: Plain household calculator. The "="-key adds the calculation’s result to the calculator’s memory, which can be read using the "MR"-key.

Functionally equivalent to the CASIO HL-809 but with an older type of yellow LCD. These older LCD's tend to leak, and the first dark spots are already visible at the top of the LCD.

A screwdriver is required to replace the two batteries.