Description
The Sharp EL-509L is an arithmetic calculator with unknown digits precision and algebraic logic. It has an unknown number of functions, unknown keys and an LCD (liquid crystal) display.
Sharp EL-509L
Contact Us
- Contact: Aaron C. Sylvan,
Board Chair - Address: IT History Society
534 Third Avenue
Suite 1248
Brooklyn, NY 11215 - Email: info@ithistory.org
