Brother 508SR (PROCAL 508SR)

The Brother 508SR is a scientific calculator with algebraic logic. It has 20 functions, 26 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA.

Facts at a glance:

Feature Value
Type: Scientific
Functions: 20
Keys: 26
Logic: Algebraic
Display type: VFD
Power Source: 2xAA
Year introduced: 1976

See other calculators by Brother