//@code
objectvar g
g = new Graph()
g.size(0,4000, -1,1)

g.addexpr("cos(x/100)")
g.addexpr("cos(x/150)")
g.addexpr("cos(x/200)")
g.addexpr("cos(x/250)")
g.addexpr("cos(x/300)")
g.addexpr("cos(x/450)")

proc pl() {
	g.erase()
	g.begin()
	for (x=0; x < 4000; x=x+1) {
		g.plot(x)
		if (x%10 == 0) {
			g.fastflush()
			doNotify()
		}
	}
	g.flush()
	doNotify()
}

pl()