HydroCalc PocketPC 2.0 is the shareware application tool useful for engineers and designers of lawn sprinkler systems. This software comes in both handheld device version and Windows desktop version which can be synchronized for sharing of files. Salient features of this application are as follows. It can calculate maximum velocity of water in a system with various pipes of different sizes, dynamic and static pressure, meter size, pipe’s size, material and length, number of fittings required in the system and various type of fittings required and much more. Using this application you will also get to know number of valves and backflow prevention and other accessories required in the sprinkler systems. It also calculates the rate of precipitation, evaporation and transpiration based on methods, temperature and humidity. It also considers soil type, percent of slope and various other physical factors for its calculations. You can also use this application for scheduling the watering of your lawn, cost to run the system per unit of time, etc and generate printable reports which can also be saved for future reference. It also provides you the online help.