Specifications for Casio fx-1

Manufacturer: Casio Computer Co., Ltd. Model Number: fx-1 Casio Internal ID: 12E Serial Number: 205543 Date of Manufacture: Early 1972 Manufactured In: Japan Original Price: $695 (Feb., 1973) Weight: 5 Pounds Size: 9 1/2" Wide, 12 1/2" Deep, 3" High Power Requirement: 18.7 Watts, 117VAC Display Technology: Nixie Tubes Logic Technology: 5 Large Scale Integration devices by NEC Numerous Small Scale DIP devices by Hitachi Digits of Capacity: 12 Decimal Modes: Floating or Fixed, Selectable at 0, 2, 3, 4, 6, or 8 digits Arithmetic Logic: Arithmetic Math Functions: Four Function, sin, cos, tan, arctan, hyperbolic sin, hyperbolic cos, degrees/radians coversion, exponential, base 10 and natural logarithm, square root, cube root, degrees/minutes/seconds to decimal conversion, raise number to integer (1-9 only) power. Constant: Yes, Multiply and Divide Memories: 2, one with add/subtract, 1 store/recall only Special Features: Round off/Truncate switch-selectable Notes: No overflow indication, but locks keyboard and clears display on overflow. ROM-based 'programs' for scientific functions Cube root can take up to 16 seconds! Marketed by Deitzgen as model ESR-1. Marketed by Remington as model 1259S.

Previous Machine: Monroe 620 Next Machine: Wang 720C Related Machines: Casio AS-L Casio AL-2000 Casio 121-A Sperry/Remington Lektronic

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