The Options Pricing Calculator is a free App that allows users to price options using a "what-if" type analysis. The calculator allows users to input the price of the underlying security, the strike price of an option, the number of days to expiration and other necessary inputs. The output displays not only the theoretical price for both calls and puts using those assumptions, but also the array of associated Greek values for each side of the equation. Use the calculator to make changes to any of the input fields to view the impact on the price of an option.