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Sears Electronic Slide Rule II (801.5878)

Sears Electronic Slide Rule II
Image: Joe Haupt, CC BY-SA 2.0

The Sears Electronic Slide Rule II is an arithmetic calculator with 8 digits precision and algebraic logic. It has 9 functions, 20 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA batteries.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions9
Keys20
Precision8
LogicAlgebraic
Display typeVFD
Length159mm
Width89mm
Power Source4xAA batteries
Year introduced1974

Replacements:

If you have a Sears Electronic Slide Rule II that is no longer working, you can first try replacing the 4xAA 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 Sears