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Mathix BJ-21M

The Mathix BJ-21M is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 25 keys and one of the early LCD (liquid crystal) displays which incorporated a yellow filter.

Facts at a glance:

Type Arithmetic
Functions 6
Keys 25
Precision 8
Logic Algebraic
Display type YLCD
Display size
Length 105 mm
Width 66 mm
Thickness 8 mm
Weight unknown g
Power Source
Original price unknown
Est. current value unknown
Year introduced 1985
Year discontinued

See other calculators manufactured by Mathix.