Hydro Calculations is a simple hydrostatics / hydrodynamics solver and calculator. Students of hydraulic will find this app very useful. Sub-category hydrostatics contains hydrostatic pressure, Archimedes principle and hydraulic press.
Sub-category hydrodynamics contains Flow rate, Bernoulli's principle, Continuity equation, Torricelli's law and calculation of flow rate in an open channel.

Every page includes a schematic picture and formulae.