Specifications for Compucorp 122E Scientist
Manufacturer: Compucorp, a division of Computer Design Corporation
Model Number: 122E
Serial Number: 3225231
Date of Manufacture: Mid to Late 1971
Manufactured In: USA
Original Price: $2,450
Weight: 12 Pounds
Size: 12 1/2" Wide, 12 1/2" Deep, 6" High
Power Requirement: 60 Watts, 115VAC
Display Technology: Burroughs Nixie Tubes
Special +/- Nixie tubes for mantissa and exponent sign
Discrete Neon Error/Overflow Indicators
Logic Technology: 1st Generation Computer Design Corp. LSI Chipset (HTL)
LSI's Fabrication by AMI
Digits of Capacity: 10 Mantissa(displayed), 2 Exponent, sign for each
Calculations performed to 14 significant digits in mantissa
Decimal Modes: Full Floating, Normalized Scientific Notation (switch selectable)
Arithmetic Logic: Algebraic
Math Functions: Four Function, Square Root, Reciprocal, 10x,
ex, ax,
Natural and Base 10 Logarithms, Factorial, Summation functions,
Standard and Hyperbolic Sine and Cosine (with inverse),
Integer and fractional extraction,
Constants e and Pi built in.
Constant: Yes, Multiply and Divide
Memories: 10 (0-9), with add and exchange functions.
Programmable: Yes. 256 step program memory, subroutines, branching.
Programmer's panel with programming function keys
and neon bulb program counter/operation code display.
Access to ROM microcode programs via Punched Card
Periperhals: DB-25 Connector on Back panel for optional Punched Card Reader
Notes: Unsual postfix "2nd Function" operation
Tech Notes
Previous Machine: Compucorp 120
Next Machine: Monroe 1610
Related Machines: Compucorp 120
Compucorp 110/X
Compucorp 140
Monroe 1610
Monroe 1860
Article: The History of Compucorp
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