AKA: QUARTZ, HQ-21, ELECTRONIC CALCULATOR, AKA (Label): HQ-21, Product number (P/N): HQ21 (HQ-21),
Keywords/Tags: HQ21 (HQ-21) | QUARTZ | ELECTRONIC CALCULATOR
Date of intro: 1980, Origin: Japan (List), Dimensions: 137x75x20mm, Weight: 125g,
Power: 3V: (AA x2),
Display: Type = Display (LCD) (List), Digits = 8+1,
Number of keys: 24, #Key-Black: 11, #Key-Brown: 11, #Key-Orange: 2,
Keyboard Array (Rows x Columns): 06x04,
Classification: / Pocket / Time,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: CASIO_docu: (Cat.) 198102 (Japanese),
Resemblance with: (Resemblance 096B),
Initial Cost Price: 3900 JPY (€ 31,59), Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: Robert LACOSTE