Patent ID: 6961898
Filing Date: 2005-11-01
Classification: G06F

Abstract:
1. A method comprising: entering one or more mathematical operators; entering a plurality of numeric values; displaying the mathematical operators in one or more operation fields in columnar format down at least one of a plurality of rows in a first column on a display screen; displaying the numeric values in a plurality of number fields in columnar format down the plurality of rows on the display screen and alongside the one or more operation fields in the first column; entering an open parenthesis character in an upper row in the first column; entering a close parenthesis character in a lower row in the first column, wherein the lower row is displayed below the upper row on the display screen; automatically calculating a result by applying the set of mathematical operators to the set of numeric values and by following an order of evaluation which respects the open and close parentheses; displaying the result on the display screen.