Summit 777 (Diet Pepsi 777)
The Summit 777 is an arithmetic calculator with algebraic logic. It has 6 functions, 21 keys, and an LED (light-emitting diode) display, typical of calculators of this era. Note: Melcor 747
Facts at a glance:
If you have a Summit 777 that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: