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Victron EC-811 (DATAEXAC)

The Victron EC-811 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 21 keys, and a VFD (vacuum fluorescent) display. The power source is 5xAA. Note: Xonex ELSI III (aka DATAEXAC)

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys21
Precision8
LogicAlgebraic
Display typeVFD
Length152mm
Width89mm
Thickness38mm
Power Source5xAA
Year introduced1973
Year discontinued1973

Replacements:

If you have a Victron EC-811 that is no longer working, you can first try replacing the 5xAA 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 Victron