Specifications for Sharp Compet 20 (CS-20A)

Manufacturer: Hayakawa Electric Co. Ltd. (Sharp)
Model Number: Compet 20 (CS-20A)
Serial Number: #1: 711901
#2: 701309
Date of Introduction: September, 1965
Date of Manufacture: #1: January, 1967
#2: September, 1967
Manufactured In: Japan
Original Price: 379,000 Yen
Weight: 35 Pounds
Size: 15 3/4" Wide, 19" Deep, 8 3/4" High
Power Requirement: 35 Watts, 110-120V AC, 60Hz
Display Technology: Nixie Tube, NEC/Hitachi CD-65, Qty. 14
5/8-inch digit, right-hand decimal point
Special +/- Sign Nixie Tube (NEC/Hitachi CD-59)
Logic Technology: Discrete Silicon Transistor (no ICs)
Clock Frequency: 100 KHz
630 Transistors, 1980 Diodes
20 Plug-in Circuit Boards, Hand-wired backplane
Digits of Capacity: 14
Decimal Modes: Floating or Fixed (See Text)
Arithmetic Logic: Arithmetic
Math Functions: Four Function
Constant: No
Memories: None
Performance: Addition/Subtraction: 6ms (Mfg. Claimed)
Multiplication: 0.1s
Division: 0.1s
Notes: Sharp's second electronic calculator.
Sharp's first use of Silicon transistors.

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Related Machines: Facit 1121
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Sharp EL-817S
Sharp EL-8109

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