The 17BII-Pro calculator application is a extensive set of menus and enhancements builded over a modified simulation of the real HP-17BII Business Consultant calculators by Hewlett Packard with more functions than the real one in a beautiful high definition interface. The 17BII-Pro works in the same way of the real calculator. But, more functionalities were added, some were modified and others deleted in order to offer a calculator with the best user experience in the modern iOS devices. Scientific & Math functionality: - Angles & Polar: Angular conversions units ‘from’ or ’to' Deg, Rad, Grad, degree-minute-second and % slope. - Complete set of common scientific functions (Trig., Hyp, Log, etc.) - Complex Math: Operations and functions with complex numbers stack. - Curve Fitting: six regression models to fit a curve over a two selected data- lists. - One and two variables statistics. - Probability Distributions: Normal, t-Student, Exponential & Weibull distributions. - Triangle solution for ASA, SAS, SSA & SSS data. - Fundamental Universal Constants fron NIST-CODATA. - Units Conversion: Adds a powerful and completely customizable physical units conversion. - Units Editor: Add, delete, edit and order the units and categories. Financial & Business functionality: - Black-Scholes OVM: Calculates “Call” & “Put” options prices of European Options. - Bonds Price & Yield: with Annual or Semiannual coupons and Actual or 30/360 calendars. - Cash Flows Calculations: Calculates NPV,i%,IRR%,NFV,MIRR, NUS, etc. over cash flows series. - Cash Flows Editor: Create, Edit, Save & Load cash flows series. - Currency Exchange: All world currencies with actual online rates from google finance. - Depreciation with DB, SOYD or SL methods. - Interest conversion with effective rate comparison for up to three nominal rates. - Margins & Break-Even: calculate business margins and production break-even over all variables. - Percent Change and Percent Total. - TVM calculations: “Time Value of Money” problems for loans, amortizations, mortgages, etc. - Tip & Bill Split: Calculates tips over a bill and split the total amount over participants. Other General functionality: - Data-List Editor to create, edit, save & load data values for CFLO and SUM calculations. - Date & Time: Perform calculations over date and time variables. - Equation Solver for any variable given the others. - Memory Content: View All with Backup & Restore through text emails. - Settings: Customize many settings, including formats, sounds, interface, etc. - Help Documents: A complete set of short documents with examples of all menus. System requirements: iOS 11.0 or above. Disclaimer: THIS IS NOT A HEWLETT PACKARD CALCULATOR, AND IS NOT SPONSORED IN ANYWAY BY HEWLETT PACKARD OR ANY OF ITS SUBSIDIARIES.