The RLM-19BX calculator application is a extensive set of menus and enhancements builded over a modified simulation of the real HP-17BII and HP-19BII Business Consultant calculators by Hewlett Packard with more functions than the real one in a beautiful high definition interface.

The RLM-19BX 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 13.0 or above.

Disclaimer: THIS IS NOT A HEWLETT PACKARD CALCULATOR, AND IS NOT SPONSORED IN ANYWAY BY HEWLETT PACKARD OR ANY OF ITS SUBSIDIARIES.