RFT Konkret 400
The RFT Konkret 400 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 20 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4x1.5V sealed.
Facts at a glance:
|Power Source||4x1.5V sealed|
If you have a RFT Konkret 400 that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements: