Tracing and storing points of interest on a graphing calculator

Details Tracing and storing points of interest on a graphing calculator Tracing and storing points of interest on a graphing calculator

2005-03-15

2005-03-15

Brier, Jeffery A. (Department: 2672)

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

C345S215000

Reexamination Certificate

active

06867777

ABSTRACT:
A graphing calculator (10) having an X=Editor with inequalities. The calculator (10) is programmed to provide an X=Editor which displays one or more “X=” to allow input of a vertical line inequality. The X=Editor allows the user to input an inequality symbol and a constant for each X, allows the user to select or deselect each X, and a graph function to graph each selected X on the X=Editor display.

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patent: 6459422 (2002-10-01), Kirk
patent: 6487424 (2002-11-01), Kraft et al.

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