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To make informed decisions about your annuities, loans, mortgage, leases, and savings, turn to the Wolfram Time-Value Computation Reference App. This app will help with all of your time-value of money calculations. - Perform annuity calculations: solve for present value, future value, interest rate, compounding periods, and periodic payments using ordinary annuity or annuity due - Use perpetuity to compute present value, interest rate, periodic payment, and growth rate - For lump sum calculations, solve for present value, future value, interest rate, and interest periods - Use up to ten cash flow amounts to solve for the net present value and internal rate of return - Option to solve for nominal to effective rate or effective to nominal rate by using compounding or continuous compounding periods - Evaluate amortization values by computing initial loan amount, payment amount or breakdown, interest rate, and number of periods The Wolfram Time-Value Computation Reference App is powered by the Wolfram|Alpha computational knowledge engine and is created by Wolfram Research, makers of Mathematica—the world's leading software system for mathematical research and education. The Wolfram Time-Value Computation Reference App draws on the computational power of Wolfram|Alpha's supercomputers over a 3G, 4G, or Wi-Fi connection.