Choice of Chain and Algebraic Operating System methods.Bond prices and yields “to maturity” or “to call” calculations.Breakeven, Profit, and Percent difference calculations.Depreciation with four different methodologies.About replacing the button cell battery on a BA II Plus Financial calculator that does not have a removable battery door : For safety purposes and to prevent ingestion, the button-cell batteries in school- and student-owned calculators without battery doors are not. Cash flow analysis, Net Present Value (NPV), and Internal Rate of Return (IRR). The BA II Plus Financial calculator uses one CR2032 button cell battery.Just as the original BA II Plus Professional, this app comes with easier natural input than RPN used by other financial calculator apps, including HP 12C. BA Financial Calculator Pro is the best emulator of Texas Instruments BA II Plus Professional Financial Calculator for iPhone and iPod touch.īuilt with identical algorithms and formulas of original, BA Financial Calculator Pro provides exact same capabilities and operation sequences, with BETTER user experience.