Lloyds ACCUMATIC 504 (E504)
The Lloyds ACCUMATIC 504 is an arithmetic calculator with algebraic logic. It has 5 functions, 23 keys, and an LED (light-emitting diode) display, typical of calculators of this era.
Facts at a glance:
If you have a Lloyds ACCUMATIC 504 that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements: