8 	// number of points
5.0	// maximum x value - points will be shown from 0 to this value
4.0	// maximum y value
//pairs of data values x y
.5	3.6
1.0	2.7
1.5	1.4
2.0	1.2
2.5	1.7
3.0	1.9
3.5	2.5
4.0	3.1
4.5	3.75