Vintage Electronic Calculators:

Overview of Brands


RANG ELECTRONICS: 80 (version-1)
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AKA: MINI 80, Product number (P/N): 80,
Keywords/Tags: 80 | MINI
Date of intro: ~1974, Origin: Singapore (List), Dimensions: 143x77x23mm, Weight: 150g,
Power: 6V: (AA x4) + Adaptor,
Display: Type = Display (LED) (List), Brand = NATIONAL SEMICONDUCTOR, Digits = 8+1,
Number of keys: 18, #Key-Black: 7, #Key-White: 11,
Decimal switch: [6-4-2-F], Miscellaneous switch: [K-(ArrowUp)],
Classification: / Pocket,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: RANG ELECTRONICS_docu: (Warranty) 80; RANG ELECTRONICS_docu: (Instr.) 80; TKS: (Keyboard),
Main Components: TEXAS INSTRUMENTS: TMS0105NC,
Known Serial-numbers: 51264 (List of all S/Ns from RANG ELECTRONICS)
Collector value: 8.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),


Internals (PCB)

Internals (PCB) / Internals (keyboard)

Internals (PCB bottom)

Label, name plate / Bottom

Created: 06-sep-2013, Manual-update: 12-jul-2018, Batch-update: 14-jan-2022             

# Pageloads since 2018: 24             

5 Pic(s),


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