How to use greater than, less than and equal to in qlikview expression

[#1]

Dear All,

Hi, im new to qlikview so im not familiar with the expression script. Im doing a grade distribution project and one of the criteria is that i have to calculate the percentage of student with grade 'A'.

Criteria:

%modules >  30% A

%module > 40% A

%module > 60%(A + B)

%module < 10% A

im not sure how to write the syntax.

E.g "Count #A > 30% / count all A"

Thank you..

[#2]

okay....here's the application