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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. Note: Micro-cassette recorder and calculator.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys23
Precision8
LogicAlgebraic
Display typeYLCD
Length145mm
Width70mm
Thickness38mm
Power Source2x1.5V cell
Year introduced1978
Year discontinued1978

Replacements:

If you have a Handy Business Machine MCT-550 that is no longer working, you can first try replacing the 2x1.5V cell 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 Handy Business Machine