Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Cyrille de Brébisson0
Date of Patent
January 29, 2008
0Patent Application Number
106367850
Date Filed
August 8, 2003
0Patent Primary Examiner
Patent abstract
A method of input and evaluation of fractions using a calculator is described. The calculator receives a user-entered expression including a fraction where the fraction is entered using a division key. The user-entered expression causes the calculator to evaluate the user-entered expression and display the evaluated user-entered expression. A calculator enabling input and evaluation of fractions includes means for receiving and displaying a user-entered expression including a fraction entered using a division key is described. The calculator further includes a processor for evaluating the user-entered expression using the means for evaluating the expression. The evaluated user-entered expression is displayed using a calculator display.
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