Saturday, December 10, 2011

Love formula

(sqrt(cos(x))*cos(200x)+sqrt(abs(x))-0.7)*(4-x*x)^0.01, sqrt(9-x^2), -sqrt(9-x^2) from -4.5 to 4.5

Tuesday, November 15, 2011

Thursday, October 27, 2011

Wednesday, August 17, 2011