This is the premium version of the BA Financial Calculator app. It is ad-free and has the features of the BAII Plus Professional (PB, DPB, DUR, MIRR). This app has been developed by a single person to help CFA candidates and charterholders on their way to success. It has been thoroughly tested to ensure it matches identically the TI BAII Plus Professional calculator functionality, while providing a great user experience. Please contact [email protected] for support