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Handy Business Machine MCT-550

The Handy Business Machine MCT-550 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 23 keys and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 2x1.5V cell.

Facts at a glance:

Type Arithmetic
Functions 6
Keys 23
Precision 8
Logic Algebraic
Display type YLCD
Display size
Printer
Length 145 mm
Width 70 mm
Thickness 38 mm
Weight unknown g
Power Source 2x1.5V cell
Country
Original price unknown
Est. current value unknown
Year introduced 1978
Year discontinued 1978

See other calculators manufactured by Handy Business Machine.