Excel 2008 : i need formula for cumulative frequency for two coexisting values in two different columns

As Roy said:

Your post does not comply with Rule 1 of our Forum RULES. Your post title should accurately and concisely describe your problem, not your anticipated solution. Use terms appropriate to a Google search. Poor thread titles, like Please Help, Urgent, Need Help, Formula Problem, Code Problem, and Need Advice will be addressed according to the OP's experience in the forum: If you have less than 10 posts, expect (and respond to) a request to change your thread title. If you have 10 or more posts, expect your post to be locked, so you can start a new thread with an appropriate title.
To change a Title on your post, click EDIT then Go Advanced and change your title, if 2 days have passed ask a moderator to do it for you.

oh i am so sorry. Where is the edit button??

Book2.xlsx


here you are,

please admin edit my title, i can't find how to do it

Go to first post -> Click Edit -> Go advanced and change title

Please describe your problem, not your anticipated solution

Here, try this (First is 1 as it should be always 1):

Hi i have a column with 6000 vlaues that alos include duplicates. I need to calculate cumulative frequency of this data. Could anyone help me. thanks in advance