Function analyzing

Details Function analyzing Function analyzing

1985-09-24

1986-09-09

Springborn, Harvey E.

Boots, shoes, and leggings

G06F 3023, G06F 303

Patent

active

046113070

ABSTRACT:
A programmable electronic calculator is provided for numerical evaluation of mathematical problems through application of one or more mathematical operators to each input numerical operand of a mathematical problem according to accepted rules of mathematical combinations. Entry of each numerical operand and mathematical operator is accompanied by a printed record of that numerical operand and that mathematical operator so that the mathematical problem may be continually monitored as it is being entered. Depression of an equals key is followed by evaluation of previously designated operations and printing of the result. One may select a learn mode in which steps are entered in a learn memory by working out a mathematical problem, each selected operation corresponding to a step in the learn memory. Thereafter, one may select an automatic computation mode to cause the operations previously stored in the learn memory to be carried out in sequence until a desired result is obtained or a predetermined step in learn memory is reached. A method of capturing source data is also provided whereby coded signals representative of source data are generated in response to operation of a keyboard input unit, source data represented by the coded signals is printed out by an output printer unit upon generation of those coded signals to provide a visual display of the source data, and coded signals are recorded by storing them in a memory unit from which they may be substantially read out to obtain an indication of the source data represented thereby.

REFERENCES:
patent: 3036773 (1962-05-01), Brown
patent: 3058659 (1962-10-01), Demmer et al.
7090 Data Processing System--Reference Manual IBM--A-22-6536-1; Oct. 1961--pp. 86 and 87.
IBM 7080 Data Processing System Reference Manual--12/61, Form A22-6500-1; pp. 82-92; 25-27.

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