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Casio AL-1000S Desktop Calculator

Casio AL-1000S

The Casio AL-1000S was a follow-on to the original AL-1000, which was Casio's first desktop programmable electronic calculator. The AL-1000S adds the ability for the calculator to be connected to a modified external electric typewriter to allow number and operations to be entered from the typewriter. It is unclear if the calculator could output results to the typewriter. The modification to the AL-1000 adds a connector on the rear panel of the calculator. A cable connected the calculator to a small interface box that in turn connects via another cable to the modified typewriter. For more information about the AL-1000, see the Old Calculator Web Museum exhibit on the Commodore AL-1000, which was a Casio AL-1000 rebadged for sale by Commodore under an OEM agreement between Commodore and Casio.
Casio AL-1000S Specifications

Manufacturer: Casio Computer Co., Ltd.
Model Number: AL-1000S
Manufactured In: Japan
Date of Introduction: Late 1967
Display Technology: Nixie Tube, 14 Digits
Logic Technology: Discrete diode/transistor circuitry
Magnetic Core Memory array for working register storage
Digits of Capacity: 14
Decimal Modes: Automatic w/selectable roundoff position
Math Functions: Four Function w/Square Root
Memories: Four. Two full-sized registers, two half-sized(7 digits) registers
Programmable: 30 steps of program memory.
Input/Output: Rear panel connection for external typewriter
Performance: Addition/Subtraction: 8ms; Multiplication/Division/Square Root: 20-200ms (Mfg. Claimed)
Size: 15" wide, 17 1/2" deep, 9" high
Weight: 24 pounds
Price: $2,795, though price varied depending on mods to typewriter required

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