Determine the soil texture to the percentage of sand, silt and clay

Calculates the parameters of equality of the law of sines andcosines

Flow, suspenders normal and critical hydraulic jump, graduallyvaried and more

Friction head loss in pipes and fittings simple (localized).

Calculate the maximum length of a pipe line or irrigator.

Calculates the parameters that determine a mission drone flight

Calculation of Effective Rain

Estimate the volume of a hydrograph based on time and flow data