Brother 522SR

The Brother 522SR is a scientific calculator with 12 digits precision and algebraic logic. It has 30 functions, 40 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA sealed.

Facts at a glance:

Feature Value
Type: Scientific
Functions: 30
Keys: 40
Precision: 12
Logic: Algebraic
Display type: VFD
Length: 158mm
Width: 93mm
Thickness: 26mm
Power Consumption: 0.500W
Power Source: 4xAA sealed
Year introduced: 1975
YearDiscontinued: 1978

See other calculators by Brother