Open Source C++ Calculators
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C++ Calculators
View 1230 business solutionsBrowse free open source C++ Calculators and projects below. Use the toggles on the left to filter open source C++ Calculators by OS, license, language, programming language, and project status.
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PeaZip
Free Zip software and Rar extractor
PeaZip is a free archiver tool. The application provides an unified, natively portable, cross-platform file manager and archive manager GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX. Create: 7Z, ARC, Brotl, BZip, GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP, Zstandard files and more Open and extract 200+ file types: ACE, CAB, DEB, ISO, RAR, ZIPX and more Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives (sfx), split files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export task definition as command line script. -
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Integrated Development Environment for some microcontrollers based on 8051(e.g. AT89S8253). Supported languages are Assembly and C. It has its own simulator, assembler, editor and many other tools. See the project web site for more details and the newest updates.
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Windows Calculator
A simple yet powerful calculator that ships with Windows
Calculator is the open source version of the Microsoft Windows Calculator application. It is a modern Windows app written in C++ and C#, offering standard, scientific, and programmer modes, unit/currency conversion, date calculations, and history/memory operations. It ships preinstalled with Windows and is actively developed on GitHub. Standard Calculator functionality, which offers basic operations and evaluates commands immediately as they are entered. Scientific Calculator functionality, which offers expanded operations and evaluates commands using the order of operations. Programmer Calculator functionality, which offers common mathematical operations for developers, including conversion between common bases. -
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Precise Calculator has arbitrary precision and can calculate with complex numbers, fractions, vectors and matrices. Has more than 150 mathematical functions and statistical functions and is programmable (if, goto, print, return, for).
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CEmu emulator
Third-party TI-84 Plus CE / TI-83 Premium CE emulator
Developer-oriented emulator of the eZ80-based TI-84 Plus CE / TI-83 Premium CE calculators. CEmu is a third-party TI-84 Plus CE / TI-83 Premium CE calculator emulator, focused on developer features. The core is programmed in C and the GUI in C++ with Qt, for performance and portability reasons. CEmu works natively on Windows, macOS, and Linux! Easy setup - get running by doing a one-time-only connection of your calculator! Accurate and fast emulation. Customizable speed/throttling. Resizable calculator screen. "Always-on-top" window option. Screen capture (PNG). Screen recording (animated PNG). File sending/receiving (not for Apps/OS yet). Multiple keybinding presets. Emulation states for efficient saving / restoring. Color skins (like the real devices). Available in English, French, Spanish, and Dutch. -
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GraphCalc is a very gui graphing calculator. It has been called a good replacement for a TI-85. It is a must for any high school math student.
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Advanced Trigonometry Calculator
Precision Trigonometry: Advanced Calculator for Complex Math
Advanced Trigonometry Calculator is equipped with a user-friendly interface that allows for easy input of problems and instant computation. Professionals such as engineers who need to perform advanced trigonometric calculations in their work will find this tool extremely useful. More info by clicking below: https://advantrigoncalc.sourceforge.io/ Advanced Trigonometry Calculator was only and always only developed by the Portuguese Renato Alexandre dos Santos Freitas. Also author of poems, reflections and thoughts published on the platform https://www.pensador.com/autor/renato_alexandre_dos_santos_freitas/ ATC is Made in Portugal. He was born in Coimbra on July 6, 1991. He has a degree in Electrical and Telecommunications Engineering and began developing ATC at the beginning of his undergraduate studies. He works for Miclearning, Lda since April 2020. Providing services to Multimac Hito Innovation. -
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Qalculate! is a multi-purpose desktop calculator for GNU/Linux (now ported to Mac via MacPorts). It is small and simple to use but with much power and versatility underneath. Features include customizable functions, units, arbitrary precision, plotting, and a user-friendly interface (GTK+). Qalculate! has now moved to GitHub (https://github.com/Qalculate). Get the latest version from http://qalculate.github.io/downloads.html.
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OptionMatrix
Financial Derivatives Calculator with 171+ Models (Options Calculator)
A real-time financial derivatives calculator supporting 171+ models from QuantLib, Financial Numerical Recipes in C++ and MetaOptions. Matrices of prices are created with iterating strikes and/or months. A strike control system can produce any strike. A generalized date engine can calculate re-occuring distances to any industry used expiration into the future. Spread engine with spread views. Models Supported: Black-Scholes, Merton-73, Black-76, Roll Geske Whaley, Garman KohlHagen, Jump Diffusion, Quanto, Vasicek Bond Option, Turnbull Wakeman Asian, TimeSwitchOption, Look Barrier, Bachelier, PartialTimeBarrier, GapOption, Extreme Spread Option, Simple Chooser, ComplexChooser, PartialFixedLB, Executive, CashOrNothing, Extendible Writer, OptionsOnOptions, BAWAmericanApprox, BSAmericanApprox, AssetOrNothing, Bisection, BAWbisection, BSbisection, Gfrench, Gcarry, Swapoption, Complex Chooser, Super Share, EquityLinkedFXO, Spread Approximation, BinaryBarrier and more -
Photo and Video Editing APIs and SDKsUnlock Picsart's full editing suite by embedding our Editor SDK directly into your platform. Offer your users the power of a full design suite without leaving your site.
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TTCalc is an open source bignum mathematical calculator. It features arithmetical functions, trigonometric functions, inverse trigonometric functions, hyperbolic functions, inverse hyperbolic functions, logical operators, logarithms and so on.
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Multiple dielectric transmission line calculator using a 2D field solver to compute the transmission line characteristics from the circuit trace dimensions entered by the user.
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Extcalc is a multifunctional scientific graphic calculator for linux with features like graph drawing, graph analysis and calculating scientific functions including differentiation, integration and logic functions.
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fHash
A files hash calculator for Windows and macOS.
An open source files hash calculator for Windows and macOS. * MD5, SHA1, SHA256 and SHA512. * Drag & drop. * Integrated with context menu in Explorer/Finder. * Support Windows 7 and later. * Support macOS 13 and later, with universal binary. * Support Dark Mode. * English and Simplified Chinese UI. The icon "希" is from hash in Chinese "哈希". -
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qmol
A simple molecular weight calculator
qmol is a simple molecular weight calculator, available for Linux and Windows, derived from Tomislav Gountchev's KMol. You can enter a formula, (e.g. CH3(CH2)2OH) and get its molecular weight (60.0959 g/mol) and its elemental composition (C3H8O: C 59.96; H 13.42; O 26.62 %). See the features list below for more details or consult the wiki page: https://sourceforge.net/p/qmol/wiki/Home/. For Windows binary and source code see the files section: https://sourceforge.net/projects/qmol/files/ Binary packages (rpm/deb) for openSUSE Leap 15.2-42.2, xUbuntu 20.10-19.10, 17.04, Fedora 33, CentOS 8, Scientific Linux 7, and Debian 10.0-8.0 can be found at: http://download.opensuse.org/repositories/home:/lineinthesand/ -
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BallCalc is attempt to make a good, easy to use, full featured and FREE!!! ballistics calculator for the Windows Mobile based on the GNU External Ballistics engine, and eventually other, platforms.
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Simple Calculator
A simple calculator.
This is a simple calculator written in C++ with the Qt framework, without any extra features. A program for minimalists. -
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The TI-Basic compiler compiles TI-BASIC code to the 8XP file format used on Texas Instruments calculators, namely the TI-83, TI-83+ and TI-84+.
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Grepo-Tool
Grepolis utility
Map viewer and planning utility for Grepolis. The program uses freely accessible data to produce maps and allows for strategical planning of game actions. Grepolis itself is a multiplayer online game and is the intellectual property of InnoGames GmbH To install grepotool, please download the ZIP-File and unpack it into a writable directory. In addition, you may need to install OpenSSL (32-Bit version) and copy three DLLs manually into the grepotool/bin directory. Attention: To include the newest server please read the Wiki or Ticket section. You can simply update the containing server.txt file with an text editor like notepad++. -
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Gryptonite (formerly GPassword Manager)
Simple but Powerful, Cross-Platform Password Management Utility
A simple but powerful cross-platform utility for managing and accessing your most secret data. It stores passwords and whole files, so it can literally store any information you want to keep secret. Access your most-used passwords/URLs right out of a desktop tray icon. For advanced users, it includes a separate utility called Grypto-Transforms, which has a universal hash calculator with all the major hash functions, generic encrypt/decrypt functions and a base64/hex converter. Although the interface is simple and intuitive, the security is top-notch. It uses AES with CCM to secure and authenticate the data. -
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BreezyCalc
An algebraic, logarithmic, and trigonometric calculator for Windows.
BreezyCalc is a calculator for algebra, trigonometry, and geometry. Its parser is based on the muParser engine. It's a GUI version of LinCalc. It has tool-windows for editing/creating variables and user functions, and a list of all calculated results in the given session. The interface is fast and straightforward, and you can easily export the session log to a text file, which shows all of defined variables, functions, and calculation output. - Scientific Notation - Up to 11 decimal digit precision - Wide range of mathematical functions - (NEW) Geometric Formulas (like distance and volume) - User Variables - User Linear Functions - Can export session log to text file. - Conditional Statements: ---- Ex. (condition) ? (true val) : (false val) - Logic Operators: ---- && (and), || (or) - Comparison Operators: ---- <= (less than or equal to) ---- >= (greater than or equal to) ---- < (less than), > (greater than) ---- != (not equal to), == (equal to) -
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Engineering Calculator
Engineering Calculator and Unit Converter
Engineering Calculator is a lightweight, yet handy math expression evaluation and unit conversion utility that is always at your fingertips. -
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This is a free, open source calculator of chess rating for tournament players. It has features like saving calculation with details. It has a multiplatform support thanks to Qt library, versions for Linux and Windows are released.
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HistoryCal
A calculator to work with historical dates and calendars.
HistoryCal is a practical calculator designed to work with historical dates and calendars. The calculator will allow you to work with many different world calendar schemes and calculate ranges and ages based on these calendars. The calculator also has a script language that allows you to create variations of the built-in calendars: calendars that shift the new year to a different day; hybrid calendars that switch between schemes; local observational calendars that depend on a particular location; year counts that change for specific eras (regnal calendars) and calendars that require adjustment due to subtle differences in calculation. -
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SGHLib C++ Library
A Fast and Useful C++ Library for Easier Handling of Windows API.
SGHLib Aims to be the Faster Library to Easily and Safely Access the Windows API and Other Non-Windows Extras. Contain your developments, big update incoming, which will remove all useless things, will bring more speed and templates and (maybe) a wiki. -
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MACE Algebraic Calculator
MACE is a Mathematical program for Algorithms, Calculations, Equations
MACE is a Mathematical program for Algorithms, Calculations and Equations. It is designed to be as easy to run as a hand-held calculator. The goal is a neat tool covering all fields of mathematics at advanced highschool and university level. MACE has 230 logical operations, statistical distributions and functions in the fields Analysis, Arithmetic, Complex Functions, Linear Algebra, Differential Calculus, Statistics and Signal Processing. MACE provides a dialog, which supports you to insert functions intuitively. Moreover Mace has a comprehensive help menu to support the user. MACE has also its own skripting language for the advanced user. MACE can also calculate with complex numbers, integral residue classes and complex differentiable functions. In the latest release MACE has got: + Sequences as variable containers and discrete signals. + A Signal Processing section including the (fast) (inverse) Fourier transform, several filters and fir / iir Systems + bug fixes