Description
The APF MARK 22 is a scientific calculator with 8 digits precision and algebraic logic. It has 17 functions, 19 keys and a VFD (vacuum fluorescent) display. The power source is Sealed battery pack.
APF MARK 22
Contact Us
- Contact: Aaron C. Sylvan,
Board Chair - Address: IT History Society
534 Third Avenue
Suite 1248
Brooklyn, NY 11215 - Email: info@ithistory.org
