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Citizen SR-270X (College)

Citizen SR-270X
Image: Datamath.org used with permission

The Citizen SR-270X is a scientific calculator with 12 digits precision and formula input logic. It has 274 functions, 54 keys, and an LCD (liquid crystal) display. The power source is 1xLR44. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeScientific
Functions274
Keys54
Precision12
LogicFormula
Display typeLCD
Length165mm
Width84mm
Thickness20mm
Weight133g
Power Source1xLR44
CountryJapan
Year introduced2015

User Manual

You can download the Citizen SR-270X manual from the manuals website. If this doesn't work, you can also try this alternative download link.

Replacements:

If you have a Citizen SR-270X that is no longer working, you can first try replacing the 1xLR44 battery. 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 Citizen