Specifications for Commodore 1121

Manufacturer:		Commodore Business Machines, Inc.
Model Number:		1121
Serial Number:		100312
Date of Manufacture:	Late 1968
Manufactured In:	Japan (by Casio)
Original Price:		$795
Weight:			14 Pounds
Size:			12" Wide, 13 1/2" Deep, 5" High
Power Requirement:	23 Watts, 117VAC
Display Technology:	Nixie Tube
Logic Technology:	Early NEC Small Scale IC's, uPD1xx
			4 Plug-in Circuit Boards
Digits of Capacity:	12, No leading-zero suppression
Decimal Modes:		Full Floating
Arithmetic Logic:	Arithmetic
Math Functions:		Four Function
Constant:		Yes, Multiplication and Division only
			Repeats multiplier or divisor for number entered
Memories:		1 with Add/Subtract/Recall (no direct clear)
			No memory in use indicator.
Additional Features:	Round off feature, rare on calculators this early.
Notes:			Has trouble with divisors greater than 11 digits.
			Commodore-badged version of Casio 121.

Previous Machine:	Brother Calther 412
Next Machine:		Monroe 920


Related Machines:	Commodore AL-1000
			Casio AL-2000
			Casio 121-A


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