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:
|Power Source||3xAA sealed|
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: