PowerCalc provides over 40 handy data formatting and calculation functions for ArcView tables, by Benchmark GIS PowerCalc can be used instead of the Field Calculator to perform special data formatting functions. Clicking on a function category displays a list of associated formatting functions.
Some functions require additional parameters.
In this example, the user is extracting two characters from the middle of a numeric field and placing the results in a character field. PowerCalc automatically generates the proper Avenue syntax and enters it for you in the box at the bottom of the dialog. The Preview shows the results of the formatting on the first table record. Powercalc can easily translate between measurement units. Here, the user is calculating acres for a theme having coordinates projected in meter units.