i have a excel sheet which i am presently using with one stock. it gets data from nse website into excel sheet and does some calculations and shows charts. i want to make this process with nearly 100 stocks.
first user want to register with his e-mail then logs in to account.
then he is allowed to see the charts for one stock only as a free user.
when he pays he is allows to see all the stocks which we are providing.
all the calculations are provided upon further meeting....