P.S if it is a program feel free to vouch a copy to me and sell it.
no it's not a program precisely I'm looking for a solution can be a calculation formula with exel software
You can try learning vb.net in excel and create a simple program that can precisely calculate the price of BTC constantly look for a simple guide online and you can make your calculation formula. try to hit Alt+f11 to access bv.net in excel as far as I know it is the right combination to access it.
P.S it will be a laborious work if you calculate the formula without using a program If I were you I will try to learn visual basic with excel.