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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: 21 This Week
    Last Update:
    See Project
  • 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: 69 This Week
    Last Update:
    See Project
  • 3
    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: 79 This Week
    Last Update:
    See Project
  • 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: 12 This Week
    Last Update:
    See Project
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  • 5
    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: 4 This Week
    Last Update:
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  • 6

    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: 8 This Week
    Last Update:
    See Project
  • 7

    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: 4 This Week
    Last Update:
    See Project
  • 8
    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
    Last Update:
    See Project
  • 9
    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: 2 This Week
    Last Update:
    See Project
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  • 10
    Simplex Calculator
    An innovative calculator project.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 11
    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
    Last Update:
    See Project
  • 12
    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: 1 This Week
    Last Update:
    See Project
  • 13
    Fallout PnP Calculator

    Fallout PnP Calculator

    A Fallout PnP To Hit Calculator with bold ambitions

    This is a simple Fallout PnP to Hit Calculator that will allow you to add Character, Weapons, Beasts, and Attack for ease in the calculation. Added in the file is a Guide that will inform you on how the application works
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    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: 1 This Week
    Last Update:
    See Project
  • 15
    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
    Last Update:
    See Project
  • 16

    Fekke's BMI calculator

    C# BMI Calculator with wizzard.

    An application written in C#, which will assist you in calculating your Body Mass Index.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17

    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: 1 This Week
    Last Update:
    See Project
  • 18
    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: 1 This Week
    Last Update:
    See Project
  • 19
    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: 1 This Week
    Last Update:
    See Project
  • 20
    Scientific Calculator .NET was designed to be a more functional alternative to the Windows Calculator. It features a natural readout, advanced mathematical functions (including integration and differential), and it doesn't have a huge screen footprint.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    TaxRTip

    TaxRTip

    TaxRTip is a small program designed to help calculate taxes or tips.

    TaxRTip is designed as an exploration of the C# language by a novice programmer. It may be very simple and have a very small use factor, but it is designed for learning purposes. The code is fully commented internally.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    A quick and easy to use SHA1 calculator for Windows, using C# & .net. (very) Similiar in style to winMD5Sum; supports filenames passed on the command line & files drag+dropped on!
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    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:
    See Project
  • 24

    Age Calculator

    Calculates your age in days and logs it.

    This program is written in CSharp by B.J.Erasmus. It calculates the days from your birth date to current date. NOTE: Create "Log.txt" in the same directory the Exe is placed.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    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: 0 This Week
    Last Update:
    See Project
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