Texas Instruments BA II Plus Professional Financial Calculator (IIBAPRO/TBL/1L1) Solves time-value-of-money calculations such as annuities, mortgages, leases, savings, and more Performs cash-flow analysis for up to 32 uneven cash flows with up to 4-digit frequencies Calculates various financial functions: Net Future Value Net present Value Modified Internal Rate of Return Internal Rate of Return Modified Duration Payback Discounted Payback The Texas Instruments BAII Plus Professional features an Automatic Power Down (APD) function for extended battery life