Dear Aslam, you know my specialisation is ACCOUNTS & FINANCE. I know many students face difficulty in Business Mathematics. Keeping this in view I have just created a new category 'BUSINESS MATHEMATICS'. I will request all the members of this site and also visitors to mutually help each other in solving problems of BUSINESS MATHEMATICS. Actually this site is meant to be a discussion forum where all of us will try to help fellow learners. I request you to post your questions on Business Mathematics and we all will try to help you.