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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");
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