Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Having specialized input
Reexamination Certificate
2008-01-29
2008-01-29
Mai, Tan V. (Department: 2193)
Electrical computers: arithmetic processing and calculating
Electrical digital calculating computer
Having specialized input
C708S160000
Reexamination Certificate
active
07325020
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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Hewlett--Packard Development Company, L.P.
Mai Tan V.
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