1. A computer-implemented method comprising: receiving a user selection of a plurality of numeric data elements stored in a textual format, wherein each of the selected numeric data elements is displayed in a Web browser software application window that is displayed on a display screen; converting the textual format of each of the plurality of numeric data elements to a numeric format, resulting in a converted plurality of numeric data elements; generating a first set of resulting values by applying one or more pre-configured functions to the converted plurality of numeric data elements; converting the first set of resulting values to a textual format, resulting in a converted first set of resulting values; and displaying the converted first set of resulting values in a different window that appears on the display screen.