Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating
Patent
1998-04-02
2000-10-17
Powell, Mark R.
Computer graphics processing and selective visual display system
Computer graphics processing
Graph generating
G06T 1120
Patent
active
061339245
ABSTRACT:
It is an object of the invention to solve problems with a calculator capable of displaying a graph of a function in that the characteristics of a graph displayed by inputting a function can not be recognized when a desired display range is not at an appropriate value and in that a value to change the display range has had to be input on a trial and error basis, which has made the operation very complicated. A calculator according to the invention displays a graph of a function on a reduced scale, further displays buttons for increasing and decreasing display ranges of an X-axis and a Y-axis around the graph and changes the graph of the function and displays it again in response to instructions by the user on the buttons. This makes it possible to correct the display ranges of the graph of the function easily.
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patent: 5557718 (1996-09-01), Tsuneyoshi et al.
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patent: 5712656 (1998-01-01), Ikeda et al.
patent: 5758035 (1998-05-01), Tsuneyoshi
Ito Matsutaka
Kuno Michiaki
Ohba Miho
Good-Johnson Motilewa
Powell Mark R.
Sharp Kabushiki Kaisha
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