Fhead="new1basic"; Texparent=""; Slidename=""; Ketinit(); Putpoint("A",[-4,0],A.xy); Putpoint("B",[4,0],B.xy); Putpoint("C",[1,4],C.xy); // points can be put with Cindy button. Listplot([A,B,C,A]); Plotdata("1","sin(x)","x",["da"]); Paramplot("1","3*[cos(3*t),sin(2*t)]","t=[0,4*pi]",["Num=200","do"]); Windispg(); //Help("Plotdata"); //Help("Option");