Specifications for SCM Cogito 412

Manufacturer: Smith-Corona Marchant Division of SCM Corp.
Model Number: Cogito 412
Serial Number: 71905207
Date of Manufacture: Est. Fall, 1970
Manufactured In: USA, Oakland, California
Original Price: Unknown
Weight: 8 Pounds
Size: 11 1/2" Wide, 10 1/2" Deep, 5" High
Power Requirement: 16 Watts, 115VAC 60Hz
Display Technology: Nixie Tube, Right Hand Decimal
Incandescent Overflow/Negative Indication
Logic Technology: Custom AMI-manufactured Large Scale ICs (8)
Digits of Capacity: 12, Leading and Trailing Zeroes Dimmed
Decimal Modes: Fixed, Keyboard Selectable 0-9 digits behind decimal
Arithmetic Logic: Unusual accumulator-style addition/subtraction
Capable of summing products/quotients in accumulator (=+ key)
Math Functions: Four Function
Constant: Constant retained on all four functions
Memories: None

Previous Machine: Monroe 1655
Next Machine: SCM Cogito 414

Related Machines: SCM Cogito 414
SCM Marchant I
SCM Cogito 240SR

Advertising: "Marchant. The First." [123K]
"This is the Marchant..." [452K]

Other Information: US Patent 3622768: Dual Key Depression for Decimal Position Selection

Back to Exhibit
Back to Calculator List

Copyright ©1997-2019, Rick Bensene.