FEATURES AND CAPABILITIES:-Windows 98 and above format featuring Windows Input.-Design/analyze stormwater detention-retention ponds using easy to understand Modified Rational Method. -Output to Screen and/or to Printer. -Reads/Saves poject data files.-Tabulated Rainfall Depth Input format. -Output Tabulated with Peak Information Summarized. -User Friendly. -Other capabilities include: -Circular and Rectangular orifices. -User input Stage-Discharge Curve. -Editable rainfall depths. -Project data files. -U.S. Customary Units. -Etc.