Open Source C++ Calculators

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.

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.

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.

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.

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.

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).

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.

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.

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. ATC Online Alpha: https://advantrigoncalc.sourceforge.io/atc/ 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.

ReHash is an easy-to-use console-based hash calculation tool written in C++. It supports many algorithms and output formats and it can be fully configured using some of the many command-line arguments which can be passed to the tool.

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".

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

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.

This is a simple calculator written in C++ with the Qt framework, without any extra features. A program for minimalists.

Engineering Calculator is a lightweight, yet handy math expression evaluation and unit conversion utility that is always at your fingertips.

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.

HexTool is a simple yet effective calculator/tool; invaluable for people who work with Hex and Binary. Now you can convert between Hex, Binary and Decimal on the fly. No install needed: just unzip and run it!

KpGen is an modern Password Generator. It has some interesting features, like a random generator based on mouse move with some strong options. It can also work as a hash calculator, calculating hashes of passwords and phrases.

Leibnitz is the calculator you've always wanted (even if you didn't know it!), short of handwriting recognition. FAQ: https://github.com/jafl/jx_application_framework/tree/master/programs/leibnitz#readme ChangeLog: http://leibnitz.sourceforge.net/ChangeLog.html

The gNumerolgy is a numerology calculator program. You can calculate your number of name and number of birth. You can compare the relationship between two people or objects. You can compute any number of days.

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+.

KAlgebra is a MathML-based graphic calculator, thought to bring to the user its power by solving expressions written in MathML or calculating converted common equations to MathML. This project now belongs to KDE Edu. http://edu.kde.org

Useful calculator with options hex, dec, bin, sci, fix, deg, rad. and with history calculation. Programming in C++, for Windows. Create in C++ Builder 6.

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++.

Multilanguage calculator for movable holidays (eg. Eastern) on the Sharp Zaurus.