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:
Sep. 30, 1997
Filed:
Dec. 19, 1995
Edward E Kelley, Wappingers Falls, NY (US);
Norman J Dauerer, Hopewell Junction, NY (US);
Franco Motika, Hopewell Junction, NY (US);
Aziz M Ahsan, Hopewell Junction, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A process and system for effecting addition and/or subtraction any two symbols having any number of characters and in any base with full precision and without first converting to a common base. Regardless of the quantity of characters of each symbol, the speed of execution remains almost constant per character. The process and system of the present invention does not require the use of floating point notation. Furthermore, the process and system of the present invention does not require or use standard mathematical algorithms, addition or subtraction tables, or exponentiation.