fixed AngleRad when Acos(w) for abs(w) ~ 1.0+epsi (it was NaN)
fixed AngleRad when Acos(w) for abs(w) ~ 1.0+epsi (it was NaN)

devel0/SearchAThing.Sci,SearchAThing-old1/SearchAThing.Sci,SearchAThing-old1/SearchAThing.Sci,devel0/SearchAThing.Sci