Handicap Calculation for Roger Zee for Week 19

Week of Rounds Used:		15	14	13	12	11		Total		Average		90%		Rounded to:
Gross Score:		46	53	58	46	44		247		49.40
Hdcp Score (over Par):		11	17	20	11	9		68		13.60		12.24		12

What does this mean? How are handicaps calculated?
Handicap Projection for Roger Zee for Week 20

If your next round score is:		Your new Handicap will be:
29-34		10
35-39		11
40-45		12
46-50		13
51-56		14