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RFT SR1 (SCHULRECHNER)

The RFT SR1 is a scientific calculator with 8 digits precision and algebraic logic. It has 22 functions, 34 keys, and an LCD (liquid crystal) display. The power source is 2x1.5V cell. The calculator was manufactured in DDR.

Facts at a glance:

FeatureValue
TypeScientific
Functions22
Keys34
Precision8
LogicAlgebraic
Display typeLCD
Length132mm
Width70mm
Thickness8mm
Weight70g
Power Source2x1.5V cell
CountryDDR
Year introduced1985

Replacements:

If you have a RFT SR1 that is no longer working, you can first try replacing the 2x1.5V cell 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 RFT