GPA Calculation

I know that to qualify for the 8 courses + thesis path, one needs a 3.5 GPA.
Can you verify that this is the scale you are using to calculate, as I see only letter grades and not a GPA in my educational records?

Grade Percent 4.0 Scale
A+ 97-100 4
A 93-96 4
A- 90-92 3.7
B+ 87-89 3.3
B 83-86 3
B- 80-82 2.7
C+ 77-79 2.3
C 73-76 2
C- 70-72 1.7
D+ 67-69 1.3
D 65-66 1
E/F Below 65 0