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Panasonic 660 (JE-660U)

Panasonic 660
Image: Joe Haupt, CC BY-SA 2.0

The Panasonic 660 is an arithmetic calculator with 6 digits precision and algebraic logic. It has 5 functions, 18 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA. Note: Olympia CD 60. Display has 6 digits - 12 digits internal precision.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys18
Precision6
LogicAlgebraic
Display typeVFD
Length115mm
Width92mm
Thickness27mm
Power Consumption1.800000W
Power Source4xAA
Year introduced1974
Year discontinued1974

Replacements:

If you have a Panasonic 660 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 Panasonic