X grid size:    X divisions: 
Y grid size:    Y divisions: 

Max poly count:  

Examples (x**3-3*x+y**3-3*y)/40 sin(x^2+y^2) sqrt(x^2+y^2) (x*y)/(x+y+20) exp(-x^2-y^2) cos(x*x+y*y) log(x*x*y*y) sin(x)/x (sin(0.30*r*x)+cos(0.30*r*y))/(1.0+r)