AKA: ESR MASTER, Product number (P/N): ESR MASTER,
Keywords/Tags: ESR MASTER | Master
Date of intro: ~1975,
Display: Type = Display (VFD) (List), Digits = 12,
Number of keys: 25, #Key-Black: 11, #Key-Blue: 8, #Key-Red: 1, #Key-Yellow: 5,
Keyboard Array (Rows x Columns): 05x05,
Classification: / Pocket,
Featuring: Scientific functions, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with:
(Docu_Mags): 197601: ELECTRONICS TODAY INTERNATIONAL
(Docu_Articles): 197510: Scientific calculators,
Resemblance with: ELEKTRONIKA: B3-35 (version-1),
Collector value: 7.5/10,
Courtesy of: MUCKERMANN Peter,