AKA (Label): MODEL 590, Product number (P/N): 590,
Keywords/Tags: 590
Date of intro: ~1975, Origin: USA (List), Dimensions: 152x76x30mm, Weight: 165g,
Power: 9V,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 27,
Classification: / Pocket / Converter,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Known Serial-numbers: 523677 | 523928 | 536152 (List of all S/Ns from MELCOR)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),