Vintage Electronic Calculators:

Overview of Brands


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AKA: Compet 30, AKA (Label): MODEL CS-30A, Product number (P/N): CS30A (CS-30A),
Keywords/Tags: CS30A (CS-30A) | 30A | Compet
Date of intro: apr-1966, Origin: Japan (List), Dimensions: 476x438x216mm,
Power: AC,
Display: Type = Display (Nixie) (List), Digits = 14,
Number of keys: 26, #Key-Black: 4, #Key-Blue: 2, #Key-Red: 2, #Key-White: 18,
Classification: / Desktop with Display,
Featuring: Logic-technology: DTL (Diode Transistor Logic), discrete components, Memories: 1,
Related with: SHARP_docu: (Broch.) *: Sharp compet elektro... (CS15A,CS20A,CS30A); SHARP_docu: (Broch.) CS30A,
Components: 1600 Diode(s), 650 Transistor(s),
Serie-members: SHARP: CS30A (No negative number representation, 100% discrete components); SHARP: CS30B (Negative number representation, 100% discrete components); SHARP: CS31A (Negative number representation, 1 PCB with early Bipolar IC's),
Known Serial-numbers: 615208 | 702108 | 705905 (List of all S/Ns from SHARP)
Collector value: 10/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: THE OLD CALCULATOR MUSEUM, Link-2:
Intro-Sequence #: 4, Predecessor: SHARP: CS21A, Successor: SHARP: CS15A


Label, name plate / Rear
(Courtesy of: CHEW Stefan)

Label, name plate
S/N: 702108

Created: 28-jun-2009, Manual-update: 29-jun-2019, Batch-update: 24-mar-2023             

# Pageloads since 2018: 172             

3 Pic(s),


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