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Boots 646

The Boots 646 is a scientific calculator with 8 digits precision and algebraic logic. It has 39 keys, and an LCD (liquid crystal) display. The power source is 3V cell. Note: Casio

Facts at a glance:

FeatureValue
TypeScientific
Keys39
Precision8
LogicAlgebraic
Display typeLCD
Power Source3V cell

Replacements:

If you have a Boots 646 that is no longer working, you can first try replacing the 3V cell battery. 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 Boots