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.

  • Auth0 for AI Agents now in GA Icon
    Auth0 for AI Agents now in GA

    Ready to implement AI with confidence (without sacrificing security)?

    Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
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  • Desktop and Mobile Device Management Software Icon
    Desktop and Mobile Device Management Software

    It's a modern take on desktop management that can be scaled as per organizational needs.

    Desktop Central is a unified endpoint management (UEM) solution that helps in managing servers, laptops, desktops, smartphones, and tablets from a central location.
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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: 69 This Week
    Last Update:
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  • 2
    Calcpad

    Calcpad

    A free software for mathematical and engineering calculations

    Calcpad helps engineers to create clear and traceable calculation notes. It supports real and complex numbers, phasors, units of measurement, custom variables and functions, vectors and matrices, numerical methods, function plotting, conditional execution, iterations, etc. Results are collected into professional looking Html reports for viewing and printing. You can also export them to .docx (MS Word) and .pdf files. You can also create dynamic vector drawings and animations to visualize your data. After installation, you will find a lot of examples for solving different mathematical, mechanical and structural/civil engineering problems in your documents folder. If you like Calcpad, you can donate ♥ the project on GitHub and help for its development: https://github.com/sponsors/Proektsof
    Downloads: 49 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: 7 This Week
    Last Update:
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  • 4
    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: 16 This Week
    Last Update:
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  • Dun and Bradstreet Connect simplifies the complex burden of data management Icon
    Dun and Bradstreet Connect simplifies the complex burden of data management

    Our self-service data management platform enables your organization to gain a complete and accurate view of your accounts and contacts.

    The amount, speed, and types of data created in today’s world can be overwhelming. With D&B Connect, you can instantly benchmark, enrich, and monitor your data against the Dun & Bradstreet Data Cloud to help ensure your systems of record have trusted data to fuel growth.
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  • 5

    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: 12 This Week
    Last Update:
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  • 6
    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: 10 This Week
    Last Update:
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  • 7
    Helps you to verify the integrity of the files. Hash Calculator for files. Using: CRC32 MD5 RIPEMD-160 SHA-1 SHA-256 SHA-384 SHA-512 Update: Added CRC32 Now supports big files (more then 4Gb) *Requires .NET 4.5
    Downloads: 4 This Week
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  • 8
    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
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    Downloads: 5 This Week
    Last Update:
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  • 9
    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.
    Downloads: 5 This Week
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  • Financial reporting cloud-based software. Icon
    Financial reporting cloud-based software.

    For companies looking to automate their consolidation and financial statement function

    The software is cloud based and automates complexities around consolidating and reporting for groups with multiple year ends, currencies and ERP systems with a slice and dice approach to reporting. While retaining the structure, control and validation needed in a financial reporting tool, we’ve managed to keep things flexible.
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  • 10

    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: 4 This Week
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  • 11
    Drilling Calculator, Calculate all your drilling numerical with least effort and most accuracy! (for student purpose only, not professional usage). Application developed on C#. (c) 2011, Chiradeep Gupta; University of Petroleum and Energy Studies.
    Downloads: 4 This Week
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  • 12
    A look angle calculator program. Includes precise calculations with optional magnetic variation, updatable satellite listings, and geographical data from USGS database. Input by city, zipcode, or coordinates.
    Downloads: 4 This Week
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  • 13
    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: 2 This Week
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  • 14
    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.
    Downloads: 2 This Week
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  • 15
    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: 2 This Week
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  • 16
    Simple calculator and timers for EVE miners
    Downloads: 1 This Week
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  • 17
    BaY Hesap Makinesi

    BaY Hesap Makinesi

    C# ile kodlanmış standart bir hesap makinesi.

    C# ile kodlanmış standart bir hesap makinesi. Windows 10'un hesap makinesine benzetilmeye çalışılmıştır.
    Downloads: 1 This Week
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  • 18
    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: 1 This Week
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  • 19

    Eve Targeting Speed Calculator

    Targeting Speed Calculator for Eve Online

    Calculates Targeting speed from Scan Resolution and Signature Radius Signature Analysis is calculated as lvl5 Sensor Booster calculated as t2 with Scan Resolution script Sensor Amplifier calculated as t2
    Downloads: 1 This Week
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  • 20
    An adding calculator which keeps track of all user calculations in a listbox with functionality to allow the window to remain on top of all other windows and to become transparent to a certain degree.
    Downloads: 1 This Week
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  • 21

    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: 1 This Week
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  • 22
    NCalculator is a free calculator for the .NET platform, written in C#. The main goal of this project to create a modular program with a high-knowledge parser for evaulating mathematical expressions.
    Downloads: 1 This Week
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  • 23
    Planetary Interaction calculator for Eve Online. Allows to calculate which resources at which planets should be gathered in order to manufacture high level products.
    Downloads: 1 This Week
    Last Update:
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  • 24
    Virtual Trainer

    Virtual Trainer

    A tool for personal trainers and fitness enthusiasts.

    Currently: *Source code now available in the form of a Visual Studio 2015 project (zipped).* 1) Calculate BMI, daily caloric intake, target heart rate, maximum and training poundage, and ideal proportions based upon joint measurements. 2) Record and recall measurements and progress using the Basic Information tab. 3) Create, Manage, Export, and Import custom foods/exercises lists using the appropriate tabs. 4) Store and recall workout and diet log records by date. Future Improvements (in the works): * Diet and Workout tab improved functionality.
    Downloads: 1 This Week
    Last Update:
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  • 25
    A scientific graphing calculator written in C#.NET. This is a no longer graded educational project. This project has been abandoned. See the latest news post for details.
    Downloads: 0 This Week
    Last Update:
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