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Omron 12SR

Omron 12SR
Image: wass.net used with permission

The Omron 12SR is a scientific calculator with 12 digits precision and RPN (reverse polish notation) logic. It has 60 functions, 30 keys, and a VFD (vacuum fluorescent) display. The power source is 3xAA. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeScientific
Functions60
Keys30
Precision12
LogicRPN
Display typeVFD
Length164mm
Width86mm
Thickness39mm
Weight270g
Power Consumption0.500000W
Power Source3xAA
CountryJapan
Year introduced1976
Year discontinued1976

Replacements:

If you have an Omron 12SR that is no longer working, you can first try replacing the 3xAA batteries. 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 Omron