Specifications for Descal ASI-500

Manufacturer: Takachiho Koheki, Co., Ltd. (Registered trade name "Descal")
Model Number: ASI-500
Serial Number: 9090205
Date of Manufacture: Early 1970
Manufactured In: Japan
Original Price: Unknown. Estimated ~$995
Weight: Approx. 13 Pounds
Size: 11 1/2" Wide, 16 1/2" Deep, 8 1/2" High(at top of CRT Housing), 4 1/2" High (Cabinet)
Power Requirement: 80 Watts, 115VAC
Display Technology: CRT Display, Vector 7-Segment Rendition
Logic Technology: 89 Small & Medium-Scale MOS ICs, Hitachi HD31xx, HD7xx
Digits of Capacity: 16
Decimal Modes: Fixed at 4 or 6 digits behind decimal for results
Fixed at 0, 2, 4, 6 or 8 digits behind decimal for memory register
See exhibit text for more information
Arithmetic Logic: Arithmetic for addition/subtraction
Algebraic for multiplication/division
Math Functions: Four Function
Constant: Push-on/Push-off keyboard control, multiply/divide
Memories: 1 accumulating memory register
Notes: CRT Display Subsystem Patented under US Patent #3,654,612

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