Manufacturer: 
Monroe Division of Litton Business Systems 
Model Number: 
186011 (1024 Program Steps/128 Memory Registers) 

Postfix Defines Memory Configuration: 

First Digit: Program Step Capacity 

1512, 21024, 31536, 42048, 52560, 63072, 73584, 64096 

Second Digit: Memory Register Capacity 

164, 2128, 3192, 4256, 5320, 6384, 7448, 8512 
Date of Manufacture: 
1973 
Manufactured In: 
USA by Computer Design Corp. 
Original Price: 
$3,240 (Per Sept. 1973 Price List) 
Weight: 
22 1/2 Pounds 
Size: 
15" Wide, 14 1/2" Deep, 7" High 
Power Requirement: 
110V AC, 60Hz 
Display Technology: 
Seiko EP10xseries Drum Impact Printer, 21 columns 

2color(black, red), 21/2 lines per second. 
Local Storage: 
Builtin Sankyo Seiki "SANAC" Magnetic Card Reader/Writer 

Capacity of 256 Program Steps or 32 Memory Registers per edge 
Logic Technology: 
SecondGeneration Compucorp "ATL" LSI Chipset 

Chipset Designed by Computer Design Corp. 

Chipset Fabrication by American Microsystems (AMI) 

Logic contained on nine plugin circuit boards 

MOS Dynamic RAM for program/register storage 

MOS MaskProgrammed ROM for microcode 
Digits of Capacity: 
Internal: 13 Digits Mantissa + 2 Digits Exponent 

Printed: 10 Digits Mantissa + 2 Digits Exponent 
Accuracy: 
Add, Subtract: 13 digits 

Multiply, Divide/Reciprocal: 13 digits, rounded to 13th digit 

x^{y}, Logarithm, Antilogarithm: +/ 1 digit in 11th digit 

<&sqrt;: +/ 3 digits in 13th digit 



x^{2} statistic, Linear Regression: +/ 5 digits in 13th digit 


Decimal Modes: 
Fixed, 09 digits behind decimal by [SET D.P.] key 
Arithmetic Logic: 
Algebraic 
Arithmetic Logic: 
Parenthesis nesting to two levels 
Math Functions: 
Comprehensive compliment of statistical and scientific functions 
Constant: 
Automatic for multiply/divide 
Memories: 
128 registers (as equipped) 

64 registers in base machine, expandable in 64register increments for $270 
Programmable: 
Yes, Learn Mode (LEMP) 

512 Step Base Capacity (1024 steps asequipped) 

Expandable in 512step increments for $270 

Extensive Test & Branch Capabilities 

SixLevel Subroutine Nesting 

Program Editing Features 
Other Features: 
Extensive I/O Interfacing Capabilities 

Standby power mode to keep program & memory content alive 

Twokeypress input buffer on keyboard 
Peripherals: 
Mark Sense/Punched Card Reader 

Magnetic Tape Cassette Unit 

XY Plotter 

OutputOnly Typewriter (Diablo HyType) 

I/O Typewriter (Diablo HyType) 