Handicap Calculation for Jeff Slawsky for Week 19

Week of Rounds Used:		18	14	13	9	4		Total		Average		90%		Rounded to:
Gross Score:		48	45	55	46	48		242		48.40
Hdcp Score (over Par):		13	8	17	10	12		60		12.00		10.80		11

What does this mean? How are handicaps calculated?
Handicap Projection for Jeff Slawsky for Week 20

If your next round score is:		Your new Handicap will be:
35-39		9
40-45		10
46-50		11
51-56		12
57-61		13