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:
Jul. 28, 1992
Filed:
Oct. 16, 1991
Applicant:
Inventor:
Fumiaki Kawawaki, Yamatokoriyama, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
36470916 ; 36470915 ;
Abstract
A computer having an algebraic expression reserve mode and a computation mode, and including an input key for commanding the execution of computations, the computer further including: a memory which stores an algebraic expression, if the input key is operated when the algebraic expression reserve mode has been set and the algebraic expression has not yet been stored; and a processor which conducts computations of an algebraic expression, if the input key is operated when the algebraic expression mode has been set and the algebraic expression has been stored.