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
    Windows Calculator

    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.
    Downloads: 124 This Week
    Last Update:
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  • 2
    IP Subnet Calculator
    Administration of large networks could be a very time-consuming work. So this program should represent a comfortable solution for calculating subnets in IPv4-networks. First fo all it is designed for Windows but also executable under Linux/Mono.
    Downloads: 19 This Week
    Last Update:
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  • 3
    RPNcalculator
    Nice looking calculator using Reverse Polish Notation (RPN) written for Windows. It supports DEC, HEX, BIN, OCT numbers, GRAD, RAD and DEG.
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    Downloads: 5 This Week
    Last Update:
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  • 4
    A powerfull tool to work with math functions. At this stage of progress it's draw 2D graphs and 3D graphs of any function. Also have very easy to use calculator which can calculate complicate expressions.
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    Downloads: 22 This Week
    Last Update:
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    Insulin IP Calc

    Insulin infusion protocol calculator

    A simple, point of care, clinic decision support system (CDSS) Android app for Insulin infusion and hyperglycemia management in the ICU. The infusion protocol calculator is based on the updated "Yale Insulin Infusion Protocol" http://bit.ly/1DaVfUd and American Association of Clinical Endocrinologists (AACE) blood sugar targets. http://inpatient.aace.com/ . Source code requires Xamarin Studio & Android SDK to compile.
    Downloads: 8 This Week
    Last Update:
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  • 6

    LM555 Timer Calculator

    A Graphical Tool To Calculate Timer Components

    Many of us use LM555 timer chips to generate clocks, tones for model trains, and all sort of other uses. Calculating the values of the resistors and capacitor in the timing chain, along with the duty cycle for astable operation is a bit tedious on a calculator so I built this small forms based tool to make it easier. It even has the graphic of the chip and the pin numbers to make it easy to hook things up.
    Downloads: 13 This Week
    Last Update:
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  • 7
    Hash Calculator

    Hash Calculator

    Simple Hash Calculator

    This program will allow you to manually type, or browse for a file on your system. You will then be able to generate a MD5, SHA256, or SHA512 hash digest of this file. This program requires no installation and is intended to be a simple, lightweight program. This is also my first open source project!
    Downloads: 7 This Week
    Last Update:
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  • 8

    Ballistic Calculator

    Open Source Ballistic Calculator in C#

    !!! This project is currently CLOSED. There is a new version of API available under LGPL license at https://github.com/gehtsoft-usa/BallisticCalculator1 There is a new version of application in progress (ported to net framework 5.0) https://github.com/nikolaygekht/ballistic.calculator.app Ballisitic Calculator based on JBM's implementation 3-degree of freedom model, ported to C#, improved to support metric system and extended by some math from Litz's "Applied Ballistic" book. Calculator displays ballistic tables, graphs, comparison graph and reticle images. The application is free to use under GNU license
    Downloads: 11 This Week
    Last Update:
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  • 9

    MC34063 Universal Calculator

    A calculation tool for the MC34063

    If you ever worked with the MC34063 Switching Controller, you know what a pain it is to calculate all the part values. This tool is an universal tool to help you with this process. You can calculate any standard application, such as step-up, step-down, inverting and step-up-down. PS: I would be happy about any (positive xD) reviews as well as any bugreports, comments or feature requests that you might have!
    Downloads: 4 This Week
    Last Update:
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  • 10
    Forex Assistant

    Forex Assistant

    Manage accounts, analyze trades, track strategies & stats , News & Cal

    Forex Assistant is a comprehensive Windows desktop application designed to support forex traders in every aspect of their trading journey. From essential trading calculators and market insights to powerful account and trade management, it brings everything you need into one intuitive platform. 🔑 Main Features 🧮 Calculator Tools Profit/Loss Calculator Currency Converter Position Size Calculator Pips Calculator Margin Calculator 🌍 Market Insights Live Market News Economic Calendar 📊 Account Manager Add multiple trading accounts with balance and custom descriptions. Track current balance, profit/loss, and drawdown (daily and total). Add and manage positions manually with full details: entry price, stop loss, take profit, volume, PNL, and notes. Add notes for every trade: describe the strategy used, whether the trade was emotional or technical. Import historical trades directly from MetaTrader HTML reports. 📈 Trade Analysis & Insights
    Downloads: 6 This Week
    Last Update:
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  • 11
    Vet Calc is a simple calculator for the .Net/Portable.NET platform currently using Windows.Forms, It is developed in C# using SharpDevelop. It aims to provide features specific for veterinary clinics.
    Downloads: 6 This Week
    Last Update:
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  • 12
    Bonus Gold Calculator 4 LoL

    Bonus Gold Calculator 4 LoL

    Bonus gold calculator for league of legends

    Bonus gold calculator for league of legends Now you can properly plan when to buy gold items, how many money you will make from them, and how much you lose with a bad support :) Current Version: 2.4.0.2
    Downloads: 3 This Week
    Last Update:
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  • 13
    Tibi's Mathematics Suite

    Tibi's Mathematics Suite

    A suite of useful mathematical applications.

    The Tibi's Mathematics Suite is a package of various mathematical applications. Included in the package are: a scientific calculator, a graphing calculator, a matrix calculator, and a factorizator. Requirements: .NET Framework 4.0
    Downloads: 5 This Week
    Last Update:
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  • 14

    Calcex Math Parser

    Mathematical expression parser and evaluator for .NET

    Moved to https://github.com/alxnull/calcex Calcex is a simple math parser for .NET to evaluate mathematical expressions which is developed in C#. It supports many common mathematical operations and functions and allows the user to add custom functions and variables. It is possible to evaluate double or decimal values for high precision. Calcex also includes functions for converting numbers from decimal to binary or other bases. The project includes a simple calculator and decimal-binary converter to show the functions of Calcex.
    Downloads: 4 This Week
    Last Update:
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  • 15
    This is an Erlang B and C calculator. Used in call centers to predicted service quality. Erlang B is also used in network planning. Written in Visual Studio C#. Erlang C is used or modified in commercial workforce management software.
    Downloads: 4 This Week
    Last Update:
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  • 16
    Codex - Development Kit
    Codex is a series of tools aimed at developers to make certain tasks painless and easier. Tools currently include: Clipboard History AES Encrypter Resolution Emulator FTP Client Image Converter Various IP Tools
    Downloads: 2 This Week
    Last Update:
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  • 17
    MTF Calculator calculates the Modulation Transfer Function (MTF) of an edge image stored in DICOM format and allows the contents to be copied to the clipboard or saved to a Comma-Separated Values (CSV) file.
    Downloads: 2 This Week
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  • 18
    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: 3 This Week
    Last Update:
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  • 19
    Aiac - Aiac is a calculator
    Aiac is a free, open-source, light-weight clipboard calculator for Windows. It also supports on-the-fly text box calculations. Copy a mathematical term to your clipboard, use a global hotkey to automatically calculate the term and put the result back into the clipboard. Written in C#. Uses NCalc (https://ncalc.codeplex.com/).
    Downloads: 2 This Week
    Last Update:
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  • 20
    CGPA SGPA Calculator

    CGPA SGPA Calculator

    A basic calculator for calculating CGPA and SGPA

    CGPA-SGPA is a basically a calculator, designed and developed to calculate ones SGPA (Semester Grade Point Average) or CGPA (Cumulative Grade Point Average). It is based on latest UGC(IN) grade and its equivalent grade point. Minimum requirements : MS .NET Framework 4.0
    Downloads: 2 This Week
    Last Update:
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  • 21
    Console Grapher

    Console Grapher

    Graphing calculator within the Windows desktop console

    Direct link to source code: http://sourceforge.net/projects/consolegrapher/files/Source/ConsoleGrapher_Source.zip/download . Just what you needed: a simple, down-to-earth two dimensional graphing calculator inside the elegance of the Windows console! This is a program that I wrote as a method for mastering the C# programming language. Though the features are not what you would expect from a program written and sold by a corporation, you may find it an entertaining tool Also notice that no installation is required, meaning it will not put annoying icons on your desktop and start menu, and you are free to delete it at will. If you know coding, be sure to check out the source code, which is in the form of a zipped-up Visual Studio solution. If you would like to import some of the functions into your own project, the code is free to be used.
    Downloads: 2 This Week
    Last Update:
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  • 22
    A simple calculator that does FOIL and Factoring problems. Will probably be expanded to do all kinds of equations and other mathematical formulas.
    Downloads: 2 This Week
    Last Update:
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  • 23

    Math Tools

    Provides useful mathematical tools which make your work much easier.

    Math Tools provides mathematical tools, allows you to calculate triangle propeties, and find both parametric and algebraic forms of planes. ------ More Tools Will be Added in The Future ------ ------ Translation to english will be completed soon ------
    Downloads: 2 This Week
    Last Update:
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  • 24
    A calculator written in C#.NET 3.5 that aims to be simple and usable. Future plans include functionality above and beyond that of the standard windows calculator. (Requires the .NET 3.5 framework)
    Downloads: 2 This Week
    Last Update:
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  • 25
    Subnet Calculator

    Subnet Calculator

    Subnet Calculator

    Very simple subnet calculator written in C#. Designed to be lightweight and portable for quick daily usage. Feel free to contact me at orphamiel@yahoo.com if you wish to contribute.
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    Downloads: 2 This Week
    Last Update:
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