Worth mentioning is that mode should be in Radian. /jonas Aaron Fineman wrote: > To graph an 8-ball (all calcs): > Mode : Polar > Axes Off > Simultaneus Graphing (spelling) > Window : Default > Xmin= -15 > Xmax= 15 > r1= sin(theta) Theta is that wierd thing that > looks like a 0 > r2= -sin(theta) > r3= 2