Browse 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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  • 1
    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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    Downloads: 818 This Week
    Last Update:
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  • 2
    CEmu emulator

    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.
    Downloads: 23 This Week
    Last Update:
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  • 3
    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+.
    Downloads: 9 This Week
    Last Update:
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  • 4
    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!
    Downloads: 3 This Week
    Last Update:
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  • 5
    Graphical binary/hex calculator and bit manipulator
    Downloads: 2 This Week
    Last Update:
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  • 6
    RatCalc
    It´s a simple but useful bit field calculator. It´s very useful to calculate operations between registers of processors or uControllers. OBS: The source code is also in the instalator.
    Downloads: 1 This Week
    Last Update:
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  • 7
    Two full-fledged object-oriented classes dealing with dates (class cDate) and spans of time (class cPeriod) written in C++. The datecalc-cpp project is a sub-project of tbvs-hr (https://sourceforge.net/projects/tbvs-hr).
    Downloads: 1 This Week
    Last Update:
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  • 8
    Arbitrary Precision Calculator a Qt-based user interface to the Calc library “Calc - C-style arbitrary precision calculator” (2.12.2.2 with fixes up to 2.12.4.3) by Landon Curt Noll et. al. http://isthe.com/chongo/tech/comp/calc/ and also https://sourceforge.net/projects/calc/ This project owes an enormous debt of gratitude to Landon.
    Downloads: 0 This Week
    Last Update:
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  • 9
    Downloads: 0 This Week
    Last Update:
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  • 10
    My personal computing suite provides some programs I developed as a hobbyist and currently include a lambda calculus interpreter and a calculator which solves arithmetic expressions; both are written in C++.
    Downloads: 0 This Week
    Last Update:
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  • 11
    Interest(ing) Calculator is useful in calculating Financial Parameters of loans/deposits.Loan/Deposits have four variables.They are, Principal,Interest Rate,Term,Installment.IC helps to calculate any one variable, if you know the other three variables.
    Downloads: 0 This Week
    Last Update:
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  • 12
    LibG100 is a common library to use all capacity of the Casio Afx2/Graph100 Calculator
    Downloads: 0 This Week
    Last Update:
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  • 13
    It is a bit timing calculator for the popular Microchip MCP2510. It has a graphical diagram view of your choosen options. You can save or print a report at the end.
    Downloads: 0 This Week
    Last Update:
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  • 14
    Numerical Systems Calculator

    Numerical Systems Calculator

    An arithmetic calculator for the most popular numerical systems.

    Have you ever imagined not having to do math to convert the various number systems and still make arithmetic calculations with different numerical systems in the same expression? That's what makes this application. You can mix decimal, binary, octal and hexadecimal arithmetic operations using the symbols "+, -, *, /,^,". You can put "e" to use Napier's constant, put "pi" to use pi constant and put a "!" in the of numerical system form to factorization. So let's start doing the math in an instant with this application and save the rest of the time for more useful things of interest.
    Downloads: 0 This Week
    Last Update:
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  • 15

    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.
    Downloads: 0 This Week
    Last Update:
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  • 16
    A calculator with C-style syntax and many features, like functions, braching and arrays. It's a small programming language that can be executed on VM or compiled to x86 code and run natively.
    Downloads: 0 This Week
    Last Update:
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  • 17
    calculatorpp

    calculatorpp

    Calculator++

    Written in C++ (using template). Calculator++ is a application/library for Window (POSIX). The core of code is adaptable for posix. This algorithm support: + built-in operator + built-in functions + run-time functions and variables definition + run-time units system, units with prefix + constants definition + Pretty mathematical expressions - Process ascii files (dev) - vector and matrix (dev) - graph 2D and 3D (dev) - vector graph (dev) - symbolic calculate (dev) - Animations (dev)
    Downloads: 0 This Week
    Last Update:
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