NAME gr_lift - a GRToolbox module DESCRIPTION Calculates the lift of an airfoil. Therefor the area between either one coherent curve or 2 curves of the same orientation is integrated. The area is calculated by calculating the formula: (x[n+1]-x[n])*(y[n+1]-y[n])/2 SYNOPSIS: -[h o v noc nof now skip f m c e i s l] -help For help on all options. Special Options: