calculator.org

the calculator home page

Litronix 1721R

The Litronix 1721R is an arithmetic calculator with 9 digits precision and algebraic logic. It has 7 functions, 20 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA sealed. The calculator was manufactured in Malaysia. Note: Privileg 861-M-NC

Facts at a glance:

FeatureValue
TypeArithmetic
Functions7
Keys20
Precision9
LogicAlgebraic
Display typeLED
Length165mm
Width80mm
Thickness23mm
Power Source3xAA sealed
CountryMalaysia
Year introduced1974
Year discontinued1974

Replacements:

If you have a Litronix 1721R that is no longer working, you can first try replacing the 3xAA sealed 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 Litronix