calculator.org

the calculator home page

Casio BF-90 (Easy Banker)

Casio BF-90

The Casio BF-90 is a finance calculator with 8 digits precision and algebraic logic. It has 25 keys, and an LCD (liquid crystal) display. The power source is 3V cell. The calculator was manufactured in Japan. The calculator was also sold as the "Easy Banker". A sample of this calculator is held in the calculator.org collection.

Facts at a glance:

FeatureValue
TypeFinance
Keys25
Precision8
LogicAlgebraic
Display typeLCD
Length108mm
Width70mm
Thickness10mm
Weight66g
Power Consumption0.000900W
Power Source3V cell
CountryJapan
Year introduced1985

Replacements:

If you have a Casio BF-90 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 Casio