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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:

FeatureValue
TypeScientific
Functions30
Keys40
Precision12
LogicAlgebraic
Display typeVFD
Length158mm
Width93mm
Thickness26mm
Power Consumption0.500000W
Power Source4xAA sealed
Year introduced1975
Year discontinued1978

Replacements:

If you have a Brother 522SR that is no longer working, you can first try replacing the 4xAA sealed batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.

We suggest the following current model as a replacement:

See other calculators by Brother