vlookup formula not working currectly

[jabjab]

im trying to get a vlookup formula work for some grades which converts the letter grades into a number. once i completed this i can then creat a graph from the number that the vlookup gives me however this is not working. i have attached the spreadsheet and the page you need to look at is the processing page. the cell is highlited in yellow to show the formula which is wrong i have another vlookup very similar which works however this one im tryna work just wont. Final system V8.1.xlsx

[6StringJazzer]

Your link is incorrect, please remove the extra "/".

VLOOKUP has a fourth argument that you need to add if your data is not sorted, and yours is not. Use this formula:

=VLOOKUP(A32,graphdata,2,FALSE)