Create a grade calculator which allows a user to input a mark out of 100% and displays the grade F, P, C, D, or HD.
Here are the grade cutoffs:
F means Fail and is the mark is from 0 but less than 50
P means Pass and is the mark is from 50 but less than 65
C means Credit and is the mark is from 65 but less than 75
D means Distinction and is the mark is from 75 but less than 85
HD means High Distinction and is the mark is from 85 up to 100
how can i do this???