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Casio 101 Desktop Calculator

Image Courtesy Gerhard Päselt

Casio's first silicon-transistor based desktop Nixie-display calculator. The 101 was also the first formally exported Casio electronic calculator, with the first batch of machines exported to Australia, which were sold there under the Remington brand name. 10-digit, four-function, fixed or floating decimal. Accumulator-style memory register. Follow-on to Casio first-generation calculators based on Germanium transistors, the 001 and √001 calculators. Knobs on front of the calculator are for setting decimal point location and a seven digit constant value.
Casio 101 Specifications

Manufacturer: Casio Computer Co., Ltd.
Model Number: 101
Manufactured In: Japan
Date of Introduction: July, 1966
Display Technology: Nixie Tube(NEC CD-66), 10 Digits
Logic Technology: Discrete Diode-Transistor Logic
Digits of Capacity: 10
Decimal Modes: Fixed at 0 to 9 digits behind decimal (rotary swich)
Math Functions: Four Function
Memories: One accumulator-style memory register
Performance: Addition/Subtraction: 6ms; Multiplication/Division: 350ms (Mfg. Claim)
Size: 14 1/2" wide, 18 1/8" deep, 8 1/4" high
Weight: 21 pounds
Notes: Seven digit constant value entered on front panel rotary switches
Summation mode for summing of products/quotients into memory register
Double-precision (20 digit) capacity for multiplication
First Casio-made electronic calculator exported outside of Japan
Initial export to Australia in Sept. 1966, with the Casio 101 sold in Australia under the Remington brand

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