Handicap Calculation for Steve Keylor for Week 19

Week of Rounds Used:		13	5	1	13	12		Total		Average		90%		Rounded to:
Gross Score:		42	47	50	42	45		226		45.20
Hdcp Score (over Par):		7	12	15	7	9		50		10.00		9.00		9

What does this mean? How are handicaps calculated?
Handicap Projection for Steve Keylor for Week 20

If your next round score is:		Your new Handicap will be:
31-35		7
36-41		8
42-46		9
47-52		10
53-57		11