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Browse free open source Calculators and projects for Mac below. Use the toggles on the left to filter open source Calculators by OS, license, language, programming language, and project status.

  • One Platform. Total IT Insight. Start with PRTG Now Icon
    One Platform. Total IT Insight. Start with PRTG Now

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  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
    Learn More
  • 1

    TILP - TI Linking Program

    TI graphing calculators <-> computer communication software

    TILP (formerly GtkTiLink) can transfer data between Texas Instruments graphing calculators and a computer. It works with all link cables (parallel, serial, Black/Gray/Silver/Direct Link) and it supports the TI-Z80 series (73..86), the TI-eZ80 series (83PCE, 84+CE), the TI-68k series (89, 92, 92+, V200, 89T) and the Nspire series (Nspire Clickpad / Touchpad / CX, both CAS and non-CAS). The project is now managed on Github, https://github.com/debrouxl/tilp_and_gfm . It uses the libti* libraries, https://github.com/debrouxl/tilibs . Install script for *nix: https://github.com/debrouxl/tilp_and_gfm/blob/master/tilp/trunk/build/scripts/install_tilp.sh
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    Downloads: 509 This Week
    Last Update:
    See Project
  • 2
    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.
    Downloads: 44 This Week
    Last Update:
    See Project
  • 3
    Finanx 12c

    Finanx 12c

    Financial Calculator

    The Finanx 12c is a free software that mimics the HP-12C financial calculator. This software was developed for educational purposes. IT'S NOT RECOMMENDED using this calculator for professional calculations. If you find any bugs, please, let me know. Click "Bugs" in the menu bar to report bugs found.
    Downloads: 30 This Week
    Last Update:
    See Project
  • 4
    A simple CPU simulator whose goal is to make assembly learning easier. This goal is reached giving a simple calculator, called ENIAC, with a simple CPU, called vCPU. The vCPU's instructions are very simple and easy to understand.
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    Downloads: 8 This Week
    Last Update:
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  • Fully managed relational database service for MySQL, PostgreSQL, and SQL Server Icon
    Fully managed relational database service for MySQL, PostgreSQL, and SQL Server

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  • 5
    Scientific Java Calculator for cell-phones and MIDP devices
    Downloads: 3 This Week
    Last Update:
    See Project
  • 6
    BigAl

    BigAl

    a free cross platform calculator for calculating BIG numbers

    BigAl is a free open source and platform independent software for calculating really BIG numbers. It supports not only standard arithmetic, but also exact period determination, predefined factorials, fibonacci with seeds, factorization, nth root, etc
    Downloads: 9 This Week
    Last Update:
    See Project
  • 7
    Tablet 83 is an easy-to-use calculator based on the _functionality_ of Texas Instruments' TI-83+.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 8
    BinaryCrypt

    BinaryCrypt

    Binary Conversion Calculator

    With BinaryCrypt, you can convert between regular text, binary, hexadecimal, octal decimal and decimal. You can convert only decimal (as of right now) to any base up to base 64. You can also save your converted text to a file or open a converted text file to decrypt the message, and perform basic arithmetic in binary. The git repo for the C# code is located at: https://github.com/m1r4g3/BinaryCrypt-.Net
    Downloads: 4 This Week
    Last Update:
    See Project
  • 9

    Geometry Dashboard

    A project to create a simple Geometry Calculator

    I apologize for this, but an accident occurred and all of my GeoDash work has been lost. No updates will be coming. To view all of the files available please click on the 'Browse All Files' link under the 'Big Green Download' button above this description.
    Downloads: 2 This Week
    Last Update:
    See Project
  • Run applications fast and securely in a fully managed environment Icon
    Run applications fast and securely in a fully managed environment

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    Run frontend and backend services, batch jobs, deploy websites and applications, and queue processing workloads without the need to manage infrastructure.
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  • 10
    X-Bc (formerly: xbc) is a graphical user interface to the command line calculator bc. All Inputs and Outputs stays visible for editing and comparing. Functionality: trigonometry, number-theory, exponential funcs, scientific constants, primenumbers ...
    Downloads: 3 This Week
    Last Update:
    See Project
  • 11
    SimpliMath includes SimpliCalc, a simple, easy to use console-based calculator program and arithmatic parsing library. SimpliSolve is an equally easy to use and simple, yet powerful algebraic equation solver program and library.
    Downloads: 2 This Week
    Last Update:
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  • 12
    Virtual TI emulates nearly the entire line of Texas Instruments graphing calculators, and offers features that speed up both debugging and testing of calculator programs. Windows version is quite stable but the Linux/OSX version is only in planning.
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    Downloads: 2 This Week
    Last Update:
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  • 13
    EVAlgebra -  Clifford algebra calculator

    EVAlgebra - Clifford algebra calculator

    A simple Clifford algebra calculator

    EVAlgebra , symbolic Clifford algebra calculator (geometric algebra) , is an Eigenmath adaptation. EVAlgebra support space dimension from 1 to 4 with arbitrry signature. It is fully documented at evalgebra.org. You may write your own scripts to resolve specific problem.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    This is a simple C# command line calculator. It evaluates arithmetic expressions and functions. Easy to extend. Features include factorials, powers, brackets, bracket normalization, polish notation, factorization, fields, and advanced error reporting.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    Optimum Path Calculator
    Simple UI to test the effectiveness of a heuristic algorithm against the brute force method for path finding among an arbitrary number of arbitrarily placed points on a grid. This is an educational project, don't expect new and better methods.
    Downloads: 1 This Week
    Last Update:
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  • 16
    The program evaluates ordinal expressions and relations. displaying the normal form output in plain text and/or TeX format. It supports notations for ordinals through and somewhat beyond those definable by the Veblen function.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    Triangolo

    Triangolo

    Liothyronine dosage calculator

    Calculator software helping to determine L-T4 and L-T3 substitution dosage according to the algorithms provided by the European Thyroid Association (ETA).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    UltimateCalculator

    UltimateCalculator

    Basic Scientific Calculator

    This software has four major modes- Simple, Scientific, Base & Equation. It also has Unit Converter, Date Calculator & Prime Number Generator.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    LCalc is a calculator for logic expressions. It support all standard logic operators (and,or,not,xor,...) and any user-defined operators . Features include generation of value table from formula and vice-versa.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Angry Calculator

    Angry Calculator

    Angry calculator is a calculator java

    In addition to standard calculator functions, you can perform trigonometric calculations, binary, decimal, hexadecimal. Are included in the calculation of the programs tables, fibonacci, factorial, random number, charting, statistic basic, fast random generator number 1-90, generation and a system for fast calculation of the percentage, calculating the perimeter and area of plane geometric figures. This is also a program to create constant and recall among other functions is also a mini file editor text.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Breaks down the research process into pre-defined steps. Users enter a start date and end date for an assignment and the Assignment Calculator will compute the dates s/he needs to complete each step. Written by the University of Minnesota Libraries.
    Downloads: 0 This Week
    Last Update:
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  • 22
    Applications for mobile phones with Java installed (KVM MIPS 2), which functions as a calculator to solve basic problems offered to scientists of computing.
    Downloads: 0 This Week
    Last Update:
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  • 23
    Climate Equity Reference Calculator
    This project implements calculations for the Climate Equity Reference Project's Calculator (CERc).
    Downloads: 0 This Week
    Last Update:
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  • 24
    Command Line Calculator
    System independent command line calculator written in C (C99 standard). Expression is first converted to Reverse Polish Notation and then evaluated.
    Downloads: 0 This Week
    Last Update:
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  • 25
    A simple multi-platform DXM dosage calculator. Written in Java.
    Downloads: 0 This Week
    Last Update:
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