1. Change the components of the vector field by typing, for example:[br][br] [math]F_1=[/math] x^2sin(y) [math]F_2=[/math] sqrt(y^2+z)exp(x/y) [math]F_3=[/math] log(x-y+z)[br][br]2. Change the [b]Scale[/b] to provide a better visualisation of the vector field.