GPA in different ways

My major GPA

Improved 4.0 - 1 Improved 4.0 - 2 PKU 4.0 Canada 4.3 USTC 4.3
3.64 3.64 3.60 3.96 3.64

GPA in USTC

0~100 F-A 0~4.3
100~95 A+ 4.3
94~90 A 4.0
89~85 A- 3.7
84~82 B+ 3.3
81~78 B 3.0
77~75 B- 2.7
74~72 C+ 2.3
71~68 C 2.0
67~65 C- 1.7
64 D+ 1.5
63~61 D 1.3
60 D- 1.0
<60 F 0

Improved 4.0-1

0~100 0~4
100~85 4.0
84~70 3.0
69~60 2.0
59~0 0

Improved 4.0-2

0~100 0~4
100~85 4.0
84~75 3.0
74~60 2.0
59~0 0

GPA in Peking Univeristy

0~100 0~4
100~90 4.0
89~85 3.7
81~78 3.0
84~82 3.3
77~75 2.7
74~72 2.3
71~68 2.0
67~64 1.5
63~60 1.0
59~0 0

GPA in Canada

0~100 0~4.3
100~90 4.3
89~85 4.0
84~80 3.7
79~75 3.3
74~70 3.0
69~65 2.7
64~60 2.3
59~0 0