Discounted Cash Flow Analysis Calculator will calculate the following results for each of 14 cash flow series: Initial Investment, Smallest and Largest Cash Flows, Range, Average, Number of Cash Flows, Undiscounted Sum of Cash Flows, Internal Rate of Return, and Undiscounted Payback Period. For each of the 5 discount rates associated with the 14 cash flow series, it calculates: NPV, NFV, NUS, MIRR, Present Worth Cost, Present Worth Revenue, Benefit/Cost Ratio, and Present Value Ratio.