Specifications for Commodore AL-1000

Marketed by: Commodore Business Machines, Inc.
Model Number: AL-1000
Serial Number: Three Units in Museum
#1: 50923
#2: 51601 (Faulty)
#3: 51294
Date of Manufacture:
#1: Early-1968
#2: Mid-1968
#3: Mid-1968
Manufactured In: Japan, by Casio for Commodore under OEM agreement
Original Price: $1,495
Weight: 24 pounds
Size: 15" Wide, 17 1/2" Deep, 9" High
Power Requirement: 34 Watts, 117V AC
Display Technology: NEC-Made Nixie Tubes, type LD-866, 0-9 w/Right Hand Decimal
Discrete Neon Sign (-) Indicator
Logic Technology: Discrete Transistor, 430 Transistors
14x8x4 Ferrite Core Memory for register/program storage
Ten Plug-In Circuit Boards
Digits of Capacity: 14
Decimal Modes: Full Floating w/thumbwheel selectable rounding position
Arithmetic Logic: Arithmetic
Math Functions: Four Function plus Square Root
Constant: No
Memories: 4 Multi-Function (Two 14-digit signed, two 7-digit unsigned registers)
Can be used as accumulators, read-only constant registers, or store/recall
registers depending on memory mode switch setting.
Programmable: Yes, 30 steps. Strictly linear, no test/branch
Program codes stored in non-volatile core memory.
Performance: Addition/Subtraction: 8ms
Multiplication/Division: 20-200ms
Square Root: 20-200ms
Notes: Designed & Manufactured for Commodore by Casio
Introduced by Casio in October, 1967.
Casio claims AL-1000 to be the first programmable desktop
calculator. Not true. The Mathatronics Mathatron calculator holds this title.

Previous Machine: Commodore 500E
Next Machine: Sanyo ICC-1141

Related Machines: Casio AL-2000
Commodore 1121

Advertisement: The Programmable AL-1000

Web Links: Brent Hilpert's Casio AL-1000 Calculator Technical Description: Architecture
Brent Hilpert's Casio AL-1000 Calculator Simulation
Nigel Tout's Casio AL-1000 Calculator Exhibit

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Copyright ©1997-2011, Rick Bensene.