HydroCalc PocketPC - Version 2.0 Easy to use calculator for designers of lawn sprinkler systems. Includes both Palm OS and Windows desktop versions. HydroCalc calculates: Maximum system flow Water velocity through various pipe sizes Dynamic pressure based on static pressure, meter size, pipe sizes and materials and length, number and type of fittings, valves and backflow preventer Determines zone or system precipitation rate based on 1 to 3 different methodsMuch more...