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Brother 508AY (PROCAL 508AY)

The Brother 508AY is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 22 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA batteries.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys22
Precision8
LogicAlgebraic
Display typeVFD
Length145mm
Width95mm
Thickness40mm
Power Source4xAA batteries
Year introduced1973

Replacements:

If you have a Brother 508AY that is no longer working, you can first try replacing the 4xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.

We suggest the following current models as possible replacements:

See other calculators by Brother