From the developer: "Create and analyze surveys, questionaires, and opinion polls. Print blank surveys, record survey responses, perform complete, demographic, correlation, and statistical analyses of the survey responses. Professional version includes web survey creation, email data entry, and charting. Survey results can be copied to the clipboard, exported to Excel, or saved as RTF and text files. Twelve question types are supported (Single Response, Multiple Response, Multiple Response/Other, Single Scale, Multiple Scale, 2-Column Scale, Numeric Rank, Column Compare, Numeric Totals, 3-Column Numeric, Text Entry, and Date Entry). Survey Power always calculates the totals for each survey question choice, and frequency percentages of the responses. Optional statistical analyses can also be performed with the survey data (Number of Values, Maximum Value, Minimum Value, Range, Sum, Sum of Squares, Mean, Mode, Median, Variance, Standard Deviation, Skew, First Quartile, Third Quartile, Inter-Quartile Range). Raw survey data files can be exported to 12 different file formats (MS Excel, MS Word, RTF, HTML, XML, DBF, Text File, CSV File, DIF File, SYLK File, LaTeX, SQL, and Windows Clipboard). Multi-demographic analysis supported."