Specifications for ICM 816

Manufacturer: International Calculating Machines (ICM),
a subsidiary of Electronic Arrays, Inc.
21000 Erwin Ave., Woodland Hills, CA 91302
Model Number: 816
Serial Number: Two Units in Museum
#1: 81603042
#2: 81607275
Date of Manufacture: #1: Mid-1970
#2: Late-1970
Manufactured In: Woodland Hills, California
Original Price: $450 at introduction, heavily discounted later
Weight: Approx. 3 1/2 Pounds
Size: 7 1/2" Wide, 10" Deep, 3" High
Power Requirement: 17.5 Watts, 117VAC 60Hz
Display Technology: 8 Burroughs B5358ST Nixie Tubes
Discrete Neon Indicators for Negative & Overflow
Logic Technology: 6-chip LSI chipset
Logic Technology: Electronic Arrays EAS100 chipset: 150-5001, 150-5004, 150-5005, 150-5013, 150-5014, 150-5017
Digits of Capacity: 16, displayable 8-digits at a time via <-> key
Display >8 digits is integer only
Decimal Modes: Fixed, Keyboard selectable 0..7 digits
Arithmetic Logic: Arithmetic
Math Functions: Four Function
Constant: Keyboard selectable [K] Key, multiply/divide only, second number is constant
Memories: None

Previous Machine: Sharp EL-160
Next Machine: Burroughs C3260

Related Machines: Caltype Senator Mini Calc
Lago Calc LC-816
Addo-X D1
MITS 816
Master H-1

Patent: US Patent #3800129 - MOS Desk Calculator

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