Electronic calculator with graph displaying function
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 27, 2000
Grant Date -
N/A
app pub date -
Apr 9, 1998
filing date -
May 9, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic calculator with a graph displaying function includes: an input device having various function keys for inputting data and performing various functions; a display device for displaying one of screen images including a numerical value image, a numerical formula image, or a graph image inputted from the input device; a first storage device for storing a control program; a second storage device for if storing at least one of the screen images; and a control device for controlling each of the input device, the display device, the first storage device, and the second storage device by means of the control program, wherein the control device allows a screen image displayed successively on the display device to be stored in the second storage device by a screen storage operation of the input device, and allows each screen image to be successively read out and displayed on the display device in an order of storage in the second storage device by a screen display operation of the input device.
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Cited Art Landscape
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