colebrook               Calculates the Darcy-Weisbach Friction Factor f
darcyweisbach           Solves the Darcy-Weisbach Equation for the
                        either head loss (hf), flow rate (Q), diameter
                        (D), or roughness height (ks).
hardycross              Applies the Hardy-Cross method to solve for
                        pipe flows in a network.
manningc                Solves the Manning Equation for gravity flow in
                        a circular pipe
manningt                Solves the Manning Equation for water flow in
                        an open channel
moody                   Creates a Moody diagram with optional manually
                        added points
operpoint               Uses input pump and system curves to find the
                        operating point for a pump and create a plot.
pumpcurve               Fits a polynomial curve to three or more points
                        from a pump characteristic curve to be used in
                        solving for an operating point of the pump in a
                        piping system.
spec_energy_trap        Creates a specific energy diagram for a
                        trapezoidal channel
systemcurve             Creates a system curve for a piping system
                        using the static head and a coefficient.
waterprops              Functions to calculate water properties:
                        density, dynamic and kinematic viscosity,
                        saturation vapor pressure, surface tension, and
                        bulk modulus.
xc_circle               Creates a cross-section plot for a partially
                        filled pipe
xc_trap                 Creates a cross-section plot for an open
                        channel
