RLM-15CX2.1.7 - App Store

The RLM-15CX application is a programable advanced scientific calculator. It is based in the Hewlett-Packard HP-15C calculator, but specially designed to bring up the most of your iOS devices and , at the same time, conserving the easy of use and the functionality originally provided by the real calculator.

> Finance Menu:
.Account Balance: Credit line type account based on cash transactions and interest rates applied.
.Amortization: Loan Amortization Schedule for a single loan payment or from several payments at once.
.Bond Price & Yield: Bonds calculations in an easy way with all options and values at sight.
.Black-Scholes Options: CALL, PUT and “Greeks” calculations of the Black-Scholes European option valuation model.
.Equal Periods Cash Flows: Solve problems where different cash flows occur at regular time intervals.
.Unequal Periods Cash Flows: Solve problems where different cash flows occur at different dates.
.Depreciation: Calculates depreciation with SL, SOYD, DB or MACRS methods and conventions.
values at sight.
.Interest Rates: Nominal and effective interest conversion.
.Time Value of Money: Compound Interest problems involving money earning interest over a period of time.

> Business Menu:
.Bill-Tip-Split: Calculates the sharing of a Bill with Tip.
.Break-Even: Analyze the following relation: Profit = (Price - Var.Cost) . Units - Fix.Cost
.Currency Exchange with on-line rates.
.Percents & Margins: Calculates %Change, %Total and Business margins.

> Date / Time Menu: Calculates Date and Time intervals with all values at sight.

> Statistics Menu:
.One-Variable Statistics: Calculations for one variable data samples.
.Two-Variable Statistics: Calculations for two variables data samples.
.Curve Fitting: 6 Regression models to fit a curve based on two variables data samples.
.Probability: Combinations, permutations, Normal, Exponential, t-Student and Weibull probability distributions.

> Scientific Menu:
.Complex Numbers: Operations and functions with complex numbers.
.Matrix: view, create or edit matrices with real or complex elements.
.Plane Triangle: Solves a two dimensional triangle (ASA,SAS,SSA and SSS).
.Spherical Triangle: Solves a triangle in a sphere’s surface (AAA,AAS,ASA,SAS,SSA and SSS).
.Universal Constants: All the NIST-CODATA fundamental physical constants.
.Vectors 3D: Operations and functions with vectors in Cartesian, Spherical or Cylindrical coordinates.

> Convert Menu:
.Angles & Polar: Convert angles between DEG,RAD,GRAD,DMS or Slope % & Polar-Rectangular coordinates.
.Currencies: world currencies conversions with manual input or on-line current rates.
.Interest Rates: Nominal and effective interest conversion.
.Units: Physical units conversions.

> Program Menu: Create, edit or load previously saved programs.

> Solver Menu: Solve arbitrary algebraic equations entered and saved in the equation editor and creates a menu with all the variables to solve any of them.

> Utilities Menu:
.General Settings: Customize the calculator to your preference.
.Memory Content: Shows all memory content edit, backup or restore.
.Help Documents: learn by example about all menus.
> Editors: submenu to select data editors.

System requirements: iOS 15.0 or above.

30 days Free-Trial.
In-App-Purchase: One-Payment for life.
License Agreement:
http://www.apple.com/legal/itunes/appstore/dev/stdeula

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

Version History Now you can listen music while using the calculator. 2.1.7 04/26/2024 New editor for the Unit Conversion Database. Fix a problem with some devices involving the edition of a units conversions and categories in the database. 2.1.6 04/04/2024 Fix a bug regarding Accessibility Setting that affect the look of the interface.
Now is always drawn well. 2.1.5 03/07/2024 Fix the issue of Currency Exchange menu where the "Get Rate" stop working since February 16th, 2024. 2.1.4 02/18/2024 Fix a bug regarding rectangular conversion in complex mode. 2.1.3 01/29/2024 Fixed Complex Numbers bug regarding coordinate system and Polar-Rectangular conversion 2.1.2 11/28/2023 Bug fixed regarding division of complex numbers in polar form. 2.1.1 11/16/2023 - Lots of refinements in all menu views.
- Small layout bugs in iPad fixed.
- Improvements in performance and stability. 2.1 09/06/2023 - General Storage Registers worksheet was added to the Utilities menu. It allows to directly perform arithmetic operations using the 20 general purpose registers.
- Minor improvements in menus fixing some layout bugs (specially in iPad devices). 2.0.5 08/20/2023 Fix a bug regarding complex conversion to rectangular form. 2.0.4 07/17/2023 - In Complex mode all numbers are displayed in rectangular or polar form even when imaginary part is zero.
- Bug fixes in Polar and Rectangular conversions in complex mode. 2.0.3 06/19/2023 - Solver calculation view bug fixed. 2.0.2 04/03/2023 - Sound Feedback in General Settings bug fixed.
- Some worksheets don't load bug fixed. 2.0.1 03/30/2023 •New Complex numbers and 3D Vectors worksheets.
•New Matrix worksheet to view, create or edit matrices.
•New complex number in matrix elements.
•New Depreciation worksheet with MACRS methods and Conventions.
•New Solver equation editor.
•New date pickers for the worksheets with date entries.
•New Pay-Back period calculations for Cash Flows.
•New Effective Duration calculation for Bonds.
•New Compounding periods per year parameter in TVM calculations.
•New operational and layout improvements to have a better user experience.
•Improved accuracy in all the operations.
•All reported bugs fixed. 2.0 03/16/2023 New Hardware keyboard shortcuts to enter numbers and operations. 1.1 09/30/2022 1.0 08/13/2022