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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:

Type Scientific
Functions 30
Keys 40
Precision 12
Logic Algebraic
Display type VFD
Display size
Length 158 mm
Width 93 mm
Thickness 26 mm
Weight unknown g
Power Source 4xAA sealed
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued 1978

See other calculators manufactured by Brother.