Electronic apparatus

Details Electronic apparatus Electronic apparatus

1990-03-07

1992-09-22

Shaw, Dale M.

Boots, shoes, and leggings

G06F 300

Patent

active

051503166

ABSTRACT:
An electronic data storage device and calculator apparatus having a memory for storing numerical data including numerical information and non-decimal point symbols for separating predetermined groups of digits of a numerical value into an easily read form. The data stored also includes character information and is displayed on four lines of an LCD display. Upon selecting one of the displayed data, a reverse video display of the selected data occurs whereupon the remaining displayed data is cleared from the display so that it can be used for calculating purposes using the selected data remaining on the display.

REFERENCES:
patent: 3553445 (1971-01-01), Hernandez et al.
patent: 3878380 (1975-04-01), Tsuiki
patent: 4511987 (1985-04-01), Caldwell et al.
patent: 4530068 (1985-07-01), Nakanishi et al.
patent: 4553219 (1985-11-01), Ueno
D. Ewing et al., "Using 1-2-3.RTM. Special Edition", by Que.TM. Corporation, published in 1987, pp. 14, 149-150, 154, 255-256.
Exhibit A, "1-2-3.RTM. output".

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