Electronic computer capable of entering unary operator using pre

Details Electronic computer capable of entering unary operator using pre Electronic computer capable of entering unary operator using pre

1992-01-07

1993-10-12

Nguyen, Long T.

Boots, shoes, and leggings

G06F 300

Patent

active

052531910

ABSTRACT:
An electronic computer of the invention adopts prefix unary operators, so that key operation for entering arithmetic or mathematical expressions is performed in the normal order of the operands and operators of the expression, and moreover the last calculation result can be directly used as the operand for the prefix unary operator. Therefore, sequential calculations can be performed step by step while checking the intermediate results by simple key operation.

REFERENCES:
patent: 4695983 (1987-09-01), Oda et al.
patent: 5134577 (1992-07-01), Kawawaki
SHARP Programming for the Sciences: Applications for the SHARP EL-512 Scientific Calculator, 1983, pp. 38-39.

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