calculator.org

the calculator home page

Tri Star 805MD

The Tri Star 805MD is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 24 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys24
Precision8
LogicAlgebraic
Display typeVFD
Length126mm
Width76mm
Thickness20mm
Power Source2xAA
Year introduced1979
Year discontinued1979

Replacements:

If you have a Tri Star 805MD that is no longer working, you can first try replacing the 2xAA 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 Tri Star