Below are the prices of various Excel Calculators you can download:
You can mail at teams.rrrapps@gmail.com if you need All-in-one Excel calculator including Income Tax, Home Loan, Car Loan, SIP, SWP, Step up SIP, PPF, Retirement Calculator, etc. at a nominal price of Rs. 99
You can also Download the respective Excel Calculators from their respective Calculators Page