Calc Engine vs Universal Calculator (beans)

Calc Engine™ — The Calculator That Fits How You Work Whether you're splitting a dinner bill, plotting an equation, or working through bitwise logic, Calc Engine meets you where you are. It's a beautiful, fully customizable calculator that grows with you — and syncs seamlessly across iPhone, iPad, Mac, and Apple Watch. Make it look and feel like yours • Choose from rich color themes to match your style • Pick the fonts and key shapes that feel right in your hands • A calculator you actually enjoy opening Design keyboards your way • Build your own keyboard pages — drag any key from a curated library onto a 4×5, 5×5, or 6×5 grid • Mix digits, operators, scientific functions, your own constants — anything you reach for often, all in one place • Set a long-press alternate on any key so a single tile handles a primary and secondary action • Name each keyboard, pick its icon, and reorder it alongside the standard pages — your custom keyboards show up right where you'd expect them • Enable or disable any page (built-in or custom) per device Build your personal math library • Define your own functions with up to three parameters — name them whatever makes sense to you • Save the constants you use all the time and insert them with a single tap • Full calculation history, automatically saved — scroll back anytime Powerful math, always within reach • Trig (radians or degrees), logarithms, exponentials, roots, and more — there when you need them, out of the way when you don't • Live results as you type, so you always know where you're headed • Per-function rounding built in — perfect for money, measurements, or anything that needs a clean output Convert between hundreds of units in seconds • Tap a value, then any two units to see the conversion live — miles to km, lb to kg, °F to °C, gal to L, anything you need • 250+ built-in units across 40+ categories: length, mass, volume, temperature, time, speed, angle, energy, power, pressure, electrical, magnetic, optical, radioactivity, data, and more • Favorite the categories you actually use so they sit at the top — synced across your devices automatically • Build your own functions with conversions baked in — define a formula once and reuse it forever See your equations come to life in graphs • Plot equations like x = y² or sin(x) live as you type, right beside the keyboard • Tap any graph to expand into a full-screen view for closer inspection • A dedicated graphing keyboard with x, y, and = keeps everything in one place — no separate app, no separate mode Solve equations as you type • Type x² = 121 or sin(x) = 0.5 and Calc Engine finds every real answer • Tap the solved answers to reuse it in your next calculation, no separate "solve" mode Programmer mode without leaving the calculator • Type hex (0x), binary (0b), and octal (0o) literals — read and write the way you read code • A full bitwise toolkit: AND, OR, XOR, NOT, shifts, and rotates • Every result shown in HEX, DEC, OCT, and BIN simultaneously, with configurable word size (8/16/32/64) and signed/unsigned interpretation • Tap the binary row to expand into a byte-by-byte view with bit-position labels Private by design • Everything syncs through your personal iCloud — nothing stored on our servers • Fully localized and native on every Apple platform Unlock Calc Engine+ for the full experience — custom themes, fonts, key shapes, custom keyboards, user-defined functions, saved constants, unit conversions, live graphing, equation solving, programmer-mode hex/binary/bitwise, and more. Everything that makes Calc Engine truly yours. Teach it your formulas once. Customize it to feel like home. Use it forever.

This is the free version of the Universal Calculator app. This version has full access to everything. After 24 hours, you will lose access to turn off one of the sounds and will only be able to use the app if your mobile device is not muted. Other than that, everything else is still fully accessible forever. The Universal Calculator is a scientific graphing calculator that offers a myriad of calculation features which extends beyond most graphing calculators. While it can be used for its standard Calculator and Graphing capabilities, it also calculates: - Polynomial Factorization - Polynomial Multiplication and Division - Integer Factoring - Prime Integer Factoring - A Plethora of Unit Conversions - Matrix Addition, Subtraction, and Dot Product - Matrix Inverse, Transpose, Adjugate, and Cofactor - Matrix Upper Triangle, Lower Triangle, and Diagonalization - Matrix Determinant and Eigenvalues - Triangular Geometry Calculations - SAE to Metric Measurement Conversions - Tips for Bills Enjoy a calculator history capable of storing 100 of your previous calculations. Each history line is selectable, allowing you to insert the equation or answer into your current equation! It also contains 15 common scientific constants for ease of use. For the Graphing inclined, graph in color for up to 10 equations simultaneously and intuitively zoom in and out like you would a photo! You can also calculate their intersections, trace the equations for a finer look at the values, graph an equation equal to y-squared, customize the thickness and color of each equation, and much more! Personalize your Universal Calculator experience in the settings options. The Universal Calculator contains 6 different color themes, 7 different sound options, haptic feedback, and more. Lastly, enjoy peace of mind knowing that the Universal Calculator will never collect your information, and will never contain ads. This is an essential part of this ongoing project which is taken very seriously. If you have any suggestions or find any bugs, please reach out!