Description
The Sharp EL-509A is a scientific calculator with 8 digits precision and algebraic logic. It has 28 functions, 35 keys and an LCD (liquid crystal) display. The power source is 2xLR44.
Sharp EL-509A
Contact Us
- Contact: Aaron C. Sylvan,
Board Chair - Address: IT History Society
534 Third Avenue
Suite 1248
Brooklyn, NY 11215 - Email: info@ithistory.org
