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

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  • 1
    BuzzerBeater Salary Calculator
    OpenOffice.org salary calculator for the online basketball management game www.BuzzerBeater.com.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 2
    Programmers Calculator is the original calculator for the Palm OS programmed by Gary T. Desrosiers generously donated into the public domain.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 3
    sCal: a small, scientific, script programmable calculator--for & in JavaScript. sCal2: an expansion giving a function/program catalog system with: hundreds of unit-conversions & material properties, programming examples, nearly limitless user-procedures
    Downloads: 2 This Week
    Last Update:
    See Project
  • 4

    Borderlands 2 DPS Calculator

    Borderlands 2 DPS Calculator

    Borderlands 2 DPS Calculator
    Downloads: 1 This Week
    Last Update:
    See Project
  • Project Planning and Management Software | Planview Icon
    Project Planning and Management Software | Planview

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    Planview® ProjectAdvantage (formerly Sciforma) is an enterprise-centric project and portfolio management (PPM) software designed to enable change, drive innovation, and lead in a company's digital transformation. With ProjectAdvantage, teams can strategically track and monitor project data in order to make relevant decisions. It offers multiple features focused on strategic management, functional management, and execution management. A highly scalable and cost-effective solution, ProjectAdvantage is available in various deployment models.
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  • 5

    Math Expression Evaluator

    Evaluates simple mathematical expressions

    A simple Android app to evaluate mathematical expressions. It can handle variables. Somewhat more useful then a calculator but not sophisticated as mathcad or linux octave. Small app, does not take up much space. The following is an example of the type of input it takes: apple = 3, pear = 7 78 * (apple + pear) the output would be 780
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    Advanced Mathematics Suite, or AMS for short, is a program which makes up for where TI left off when they developed the TI-83 Plus graphing calculator. It includes various useful utilities for work with Algebra I, II, Geometry, and other subjects.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Basic Finnancial Calculator
    Calculadora Financiera Básica, una forma de calcular sencilla y de forma precisa para sus cálculos básicos financieros como: Cálculo de Márgenes de Ganancia y la Porcentual (muy utilizadas para la gente común y comerciantes), la depreciación, cálculo del Punto de Equilibrio, cálculo de Tasas de Intereses y Amortizaciones básicas, cálculo del precio total (¡Incluye Estilo factura en Pantalla!)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Bloxipwn (created by BloxiCrown (http://thecrown.comuf.com)) is a simple stat calculator for ROBLOX (http://roblox.com). You enter your stats daily and it generates a graph, summary, and tips depending on your stats.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    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:
    See Project
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  • 10

    Calculator

    My Project is a calculator i created for a school project.

    My project is a calculator i created for a school project. Enjoy! Download Calculator.cpp if you want to make your own calculator. Please Consider writing a ticket if you find a bug, or writing a review. If you download Calculator.cpp, you need to have an IDE that supports the language. Here are a few suggestions: Visual Studio: https://www.visualstudio.com/en-us/products/visual-studio-community-vs.aspx (Only on Windows) Netbeans: https://netbeans.org/index.html (on Microsoft Windows, Mac OS X, and Linux.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Carcassonne tile odds calculator using excel 2007 macro file. Support link http://www.iherb.com/?rcode=PAS784
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Tool to calculate the cost of college. Save and load data from files into the calculator for further use. Export files to microsoft word for printing (fix coming 6/4/07). Many more advanced options than online college cost calculators.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Complex Numbers Calculator Graphing Tool

    Complex Numbers Calculator Graphing Tool

    Calculator for complex numbers

    Calculator for complex numbers: addition, subtraction, multiplication and division with complex numbers. This calculator lets you calculate in an easy and fast way the operations between two complex numbers. It also shows the plots of the source numbers and the results. It shows also the quadrants, the magnitudes, and the angles of all the numbers involved. You just put your two numbers and all the calculations will be done!!! As easy like that!!!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    A freeware Qt based project which targets a Calculator which has views of bin/dec/hex in the same window. I have missed this feature in legacy calculators and some of the colleagues asked about it too, hence the origin of the idea.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Everquest 2 Guild Status Calculators Calculate the optimal Patron % for your Guild.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16

    Emulator of EPOS-73

    The behavioral model of the old Soviet calculator EPOS-73

    This project introduces a console application designed for functional and behavioral emulation of the old Soviet calculator EPOS-73 (ЭПОС-73) also known as Elektronika B3-11 (Электроника Б3-11). The project is conceived as an auxiliary for verification of the switch-level simulator based on Verilog HDL of the said apparatus. Calculator model EPOS-73 is interesting in that it was one of the first models of Soviet computing performed at LSI, that were fully designed by Soviet engineers. It was used a set of four LSIs series K1ZHG451...4 (К1ЖГ451...4) or later designation K145HK1...4 (К145ХК1...4). The choice of this calculator as an object of modeling is due to the presence of (miraculously survived to this day) a sufficient set of design documentation for the technology applied in its LSIs, including a technical description of the device, revealing its calculating algorithms. The project is intended for research and education purposes.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17

    Emulator of Wang 700

    The functional model of the old calculator series Wang 700 and 15VSM

    This project introduces a console application designed for functional emulation of the USA old calculator series Wang 700 and their USSR derivatives 15VSM (15ВСМ). The main goal of the project is emulation of those models made in Soviet Union: 15ВСМ-5, 15ВМ16/32/128 - which are also known as D3-28 (Д3-28). The choice of them is due to the extremely strong and authentic CPU command set developed by Soviet engineers as a superset around the original Wang 700's command set. While Wang 700 were just programmable calculators, Soviet machines were almost complete computers taking into account their advanced CPU command set, huge RAM volume, ability to work with wide set of peripheral devices including the video terminal 15IE (15ИЭ) and existence of BASIC and other programming languages written as loadable applications. Still I consider them as calculators also due to some aspects exclusively specific to calculators. The project is intended for research and education purposes.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    A program for calculating the spacing between stones in an "eternity" ring, targeted at jewelry makers.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    A simple calculator that does FOIL and Factoring problems. Will probably be expanded to do all kinds of equations and other mathematical formulas.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Mass Difference Calculator

    Mass Difference Calculator

    Mass Difference Calculator with a Graph for MassLynx data

    A Mass Difference Calculator with a graph for MassLynx. Bring in a text file with reference masses and then paste in or browse in another file with a list of mass/intensity pairs. Then look at the best matching points and see what the difference between reference and data comes out as. This is a companion app to ResCalc3
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Math Dashboard
    The Easiest Programmable Calculator Available as Public Domain Freeware. Written in Delphi7 and incl. Source Code and Installer. Writing and Calculating a Formula is Simple. Also saves your formula to EXE files to make Executable Calculators.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    These programs help math students succeed by offering semi-interactive interfaces. The calculator program is CLI or GUI based which allows a more personal experience. The Math Teachers is a GUI based interface that shows concepts.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23

    Mortgage-Calculator

    A console command based application for calculating mortgage paybacks

    This command-line program written in C++ is a highly accurate calculator used to calculate monthly, yearly and full term mortgage repayments at a fixed interest rate. The program rounds up to the nearest whole pound and uses the same precise algorithm as other mortgage calculators. The program is fast, efficient and you can know your exact mortgage repayments in just 30 seconds!* *Additional fees not calculated - Harry Groom
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    This is a customized N.A. Cleantime Calculator. It is a JavaScript-based calculator that displays a cleantime message as well as a series of PNG format images of cleantime keytags. It takes the intricacies of cleantime into account, and is easy to us
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25

    Name Numerological Calculator

    A meta-physics name calculator

    A meta-physics name calculator written in Free Pascal and Lazarus
    Downloads: 0 This Week
    Last Update:
    See Project
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