RLM-12PX
Finance & Business Calculator
Free · In‑App Purchases · Designed for iPad
Loans, amortization, bonds, depreciation, cash flows and keystroke programs on a classic financial keyboard, plus 30 worksheets. Try everything free for 30 days.
DESCRIPTION:
The RLM-12PX is a programmable financial calculator inspired by the real world HP-12C Platinum or Anniversary calculator. It keeps the classic financial keyboard and its keystroke programming, and adds 30 worksheets designed to bring up the most of your iOS devices for financial, business, mathematical and scientific work.
>Keyboard:
•RPN and algebraic entry, with a four-level stack and storage registers.
•Time value of money, amortization, NPV, IRR, bond price and yield, SL, SOYD and DB depreciation, dates, percentages and statistics directly from the keys.
•Keystroke programs with pauses, conditional tests and branches, written in a full-screen editor and saved and loaded by name.
>Finance Worksheets:
•Account Balance: Calculates the balance of cash transactions and interest applied at arbitrary dates.
•Loan Amortization: Amortization schedule for a single payment or several payments at once.
•Bonds Price & Yield: Calculates the price, yield and effective duration of a bond.
•Black-Scholes Options: Calculates the CALL, PUT and “Greeks” values of a Black-Scholes European option.
•Depreciation: Calculates depreciation with SL, SOYD, DB or MACRS methods.
•Interest Conversion: Nominal and effective interest conversion.
•Time Value of Money: Calculates compound interest problems.
>Business Worksheets:
•Bill-Tip-Split: Calculates the sharing of a bill with tip.
•Break Even: Analyzes the relation Profit = (Price - Var.Cost) • Units - Fix.Cost
•Currency Exchange with manual or on-line rates.
•Inventory Turn Over.
•Percents & Margins: Calculates %Change, %Total and business margins.
•Return on Investment.
>Cash Flows Worksheets:
•Equal Periods: NPV, IRR, MIRR, NFV, payback and discounted payback of cash flows occurring at regular time intervals.
•Unequal Periods: Cash flows occurring at arbitrary dates.
>Statistics Worksheets:
•Probability: 16 probability distributions.
•(X,N)-List Statistics: One-variable statistics.
•(X,Y)-List Statistics: Two-variable statistics and curve fitting.
>Scientific Worksheets:
•Angles & Polar-Rectangular conversions.
•Combinations & Permutations.
•Logarithms, Trigonometric, Hyperbolic and Number Alteration functions.
•Quadratic Equation solver.
•Triangle Solution: Solves plane and spherical triangles.
•Universal Constants: The CODATA physical constants values and descriptions.
•Units Conversion: Physical units conversion, completely customizable.
>General Worksheets:
•Date / Time: Calculates days between dates with Actual, 360 or 365 day calendars, and time intervals between different times.
•Solver: Solves arbitrary equations entered as text for any of the variables, knowing the others.
•Storage Registers: Store and perform operations directly on the calculator's storage registers.
•Memory Content: Clear, back up or restore part or all of the calculator's memory.
•General Settings: Customize display format, decimals, date format, angle unit, sounds, haptics and more.
•Help Documents: Description and examples of all the calculator worksheets and features.
>Editors: To create or edit data
•(Date,Trx) List: Transactions and their dates for the "Account Balance" worksheet.
•(Date,CF) List: Cash flows and their dates for the "Unequal Periods" worksheet.
•(X,N) List: Values and repetitions for cash flows and statistics.
•(X,Y) List: X and Y data samples for the statistics worksheets.
•Program: Keystroke programs.
•Solver Equation: Algebraic expressions for the "Solver" worksheet.
•Units Database: Customize the "Units Conversion" worksheet.
System requirements: iOS 26.0 or above.
30-day free trial, then a single one-time Lifetime Purchase of $9.99 USD. No subscription.
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.
Ratings & Reviews
A reworked calculator engine with RPN and algebraic entry, a new full-screen program editor, new worksheets (Quadratic Equation, Spherical Triangle, Universal Constants, 16 probability distributions), refreshed help documents for every menu, and many accuracy and stability fixes.
The developer, R.L.M. Software, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ricardo Lira Matte
- Size
- 8.7 MB
- Category
- Finance
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lifetime Purchase $9.99
- Annual Subscription $5.99
- Monthly Subscription $0.49
- Semi-Annual Subscription $2.99
- Copyright
- © RLMTools