The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 11, 1993
Filed:
Nov. 26, 1991
Applicant:
Inventor:
Osamu Negishi, Akishima, JP;
Assignee:
Casio Computer Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
36471014 ; 36471001 ; 395140 ;
Abstract
A compact calculator includes a matrix type display unit and executes a graphic representation of a functional formula. When both the functional formula and an integral range are inputted as information about a definite integral, a judgement is done whether or not an X-value increased while forming a graphic representation is located with the integral range. If this X-value is present within the integral range, then the pixels from the coordinate point (X,Y) to an X-axis are turned on. Thus, the integral range is graphically represented under the above-described process operation.