▸ Calculator + vs RPNu Usage & Stats

+ 800+ formulas in Formula Toolkit In-App + OVER 1 MILLION DOWNLOADS WORLDWIDE + Award Winning Calculator Since 2007 HiCalc Pro is an ultimate calculator and will make all your calculations become simpler than ever with 12 calculators: Basic, Scientific, Currency Converter, Unit Converter, Finance, Date - Time, Constants, Equation Solver, Statistics, Base conversion, Graph & Tip calculator. ► Noteworthy • Three calculating modes: STANDARD, STRING and RPN • Precision to 31 digits • BIG CALC in Portrait mode. • Comprehensive Date & Time calculator • Unit Converter contains 3,300 units in 113 categories • Currency converter with daily online update for 152 currencies • Extended Memory and Expression History supports • Intuitive interface • Export & send out expressions/history ► Features: • Multi-line LED with smart input for entering complicated expressions • Show expression as normal writing mode @ very useful for students • Advanced RPN mode with Stack viewer and functions: DROP, SWAP, ROLL, DEPTH, PICK, OVER, KEEP, LAST, CLEAR • Sending data from Ext-Memory & History list • Support 5 languages (English, French, German, Chinese & Vietnamese) ► Scientific calculator: • Basic fx: sin, cos, tan, sin-1, cos-1, tan-1, sinh, cosh, tanh, log, ln, sinh-1, cosh-1, tanh-1 … • Advanced fx: Random, nPr, nCr, Differential function, Evaluation function, Integration function, Root-Finder and Product function, Greatest Common Divisor, Least Common Multiple, Fibonacci function … • Complex numbers in STRING mode ► Unit Converter: a powerful and easy-to-use tool for converting over 3,300 units in 113 categories. • Special categories: Women and Girl's Clothing, Cooking, Electric Field, Density Traditional, Typography, UHF channel and frequency chart, Fuel Consumption … • Full text search for categories and units • Favorite & Recently used units • Update over the air ► Statistics calculator • 15 common functions: Σ(x), mean of X, AVD, SSD, SDV, C(n, k), Min, Max, GM... • 6 probability distribution functions: Binomial, Gamma, Gaussian, Geometric, Poisson, Rayleigh • Smart data input: data import from clipboard supported ► Graphing Calculator • Up to three graphs • Coordinate system movable • Zoom in/out ► Equation solver • Polynomial Equations (1st-4th) • N-simultaneous equations ► Base conversion • Full-featured base conversion ► Date & Time calculator • Date / Time difference: calculate duration between two dates. • Add/ Subtract: Add or subtract days, months and years of a given date to get a new date. • Events Countdown/up: Shows Time Remaining and Elapsed Time ► World Clock • Show date & time of any city in the World • Have 6 cool skins ► Finance calculator • Time Value of Money (NPER, RATE, PV, FV, PMT) • Mortgage & Loan Calculator • Finance functions: SLN, SYD, DB, NPV, IRR, NPER, RATE, PV, FV, PMT. ► Constants Library: • 1500 constants from Mathematics, Physics, Solar System and Element e.g: Avogadro number, Gravitational const, Stefan-Boltzmann Const, Speed of Light.

Apple App Store
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RPNu

RPNu is a calculator that makes crunching numbers easier than it’s algebraic equivalent. RPN stand for Reverse Polish Notation (The ‘u’ stands for universal, meaning it runs on both the iPad and iPhone.) and is the numeric evaluation method used for this app. RPN, I feel, is far superior to the algebraic method and once learned you will never want to use the algebraic again. This calculator has all the normal mathematical function, but also contains a host of other functions that you may find very useful. Space is limited in this description but here are the highlights: Help: There is extensive help to aid the user in determining how to use this app. It is also context sensitive. Programable: You can write your own programs and there are many tools to aid you in doing this. Graphics: You can graph equations and there are several modes to cover almost all requirements. A universal converter that you will find very useful. Matrix arithmetic (determinate, invert, add, subtract and multiply). Date calculator and an hours calculator with moon phase display. Elements and periodic table information. Combinations and permutations calculator Equation integration and root finder. Amortization with many useful functions. Mapping function that allows you to determine distance between points and other functions. Hyperbolic functions. Hexadecimal, Octal, and Binary modes. Barometer function showing QNE and QNH. A compass that not only shows magnetic and true north, but also shows the address you are at. This app includes extensive support for a Bluetooth keyboard. Also, extensive support is given to export your calculations to either email or the universal clipboard.