//@code
objref g
g = new Graph()
g.size(0, 10, -1, 1)
g.addexpr("sin(x)")	//stores sin(x) as a function to be plotted in g
g.addexpr("cos(x)")	//stores cos(x) for use with g
g.addexpr("exp(-x)")	//stores exp(x) for use with g
x=0
g.begin()		//The next g.plot command will move the drawing pens
			// for the three curves to indicated x position
for(x=0; x<=10; x=x+0.1){
	g.plot(x)	// The x value used for each expression in the
			// addexpr list
}
g.flush()