USD 9.99

RLM-11CX Scientific Calculator for iPhone, iPod touch & iPad

Portrait View

The Ultimate RPN 11C calculator for Science with all the functions of the real HP-11C calculator and many more exclusive features that expand the user experience and usability.

Main Features
  • Continuous or persistent memory content.
  • 20 general porpouse registers.
  • Special Index register for Indirect operations.
  • Trigonometric & Hyperbolic functions.
  • Factorial, Logarithms & percentages.
  • Probability Combinations & Permutations.
  • Hour-Minute-Seconds conversion.
  • Polar-rectangular conversion.
  • Random number generator.
  • Statistic data list to store and edit the data samples.
  • Linear regression calculations.
  • USER mode and program labels.
  • Keystrokes programming up to 1000 steps.
  • Full retina display resolution.
  • Device Orientation enabled.
  • Copy & Paste touching the display.
  • iPhone 4, iPhone 5 and iPads support.
  • Minimum system version: iOS 6.0
  • Extent set of preferences to customize the calculator.
  • Memory registers view with Backup & Restore.
  • Program Editor view.
  • Program tracking with "Undo" for debugging tool.
  • Statistical Data Editor view.
  • 6 regressions models and forecasting tool.
  • Complex numbers math tool
  • Angles units with Polar-Rectangular conversions.
  • Units Conversion tool.
  • Currency Exchange calculation tool.
  • Date & Time calculations tool.
  • Normal and Student probability distributions tool.
  • Financial TVM calculations tool.
  • Bonds Price & Yield calculations tool.
  • Black-Scholes Options Valuation Model application tool.
  • Cash Flows NPV and IRR calculations tool.
  • Depreciation calculations tool.
  • Tip calculator application tool.

Requirements : iPhone, iPod touch or iPads with iOS 11.0 and above; 64-bit ready


For a description of the calculator's features click in any of the following links


Calculator Overview


Key Reference

One Number Functions

Two Arguments Functions



Index Register

General Settings

Extended Options Overview

Scientific Menu:

Angles & Polar

Complex Math

Probability Distributions

Equation Solver

Plane Triangle

3D Vector Math

Spherical Triangle

Units Constants


Statistic Menu:

Input X,Y Data

Statistic Calculations

Curve Fitting & Forecast

Probability Distribution


Convert Menu:

Angles & Polar

Currency Exchange

Interest Conversion

Units Conversion


Finance Menu:

TVM Calculations

Bonds Price & Yield

Black-Scholes OVM

Depreciation Calculation

Interest Conversion

Cash Flows Calculations


Business Menu:

%Change, %Total, %Margins

Break-Even Analysis

Tip & Bill Split

Date & Time


Utilities Menu:

Program Tracking

Program Editor

Cash Flows Editor

X,Y Data Editor

General Settings

Memory Registers