Product number (P/N): 4615,
Keywords/Tags: 4615
Date of intro: 1975, Origin: Malaysia (List), USA (List), Dimensions: 160x82x32mm, Weight: 225g,
Power: Rechargeable,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 36, #Key-Black: 4, #Key-Grey: 5, #Key-White: 13, #Key-Yellow: 14,
Miscellaneous switch: [LOAD-STEP-RUN],
Classification: / Pocket / RPN (Reverse Polish Notation),
Featuring: Scientific functions, Square root, PI, Programmable, Memories: 1, Programmable Steps: 100,
Known Serial-numbers: 058916 | 107954 (List of all S/Ns from NATIONAL SEMICONDUCTOR)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: R/S Programmable Calculators, Link-2: YouTube