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: 101 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: 51 This Week
    Last Update:
    See Project
  • 3
    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: 33 This Week
    Last Update:
    See Project
  • 4
    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: 8 This Week
    Last Update:
    See Project
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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: 16 This Week
    Last Update:
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  • 6

    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: 9 This Week
    Last Update:
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  • 7
    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: 8 This Week
    Last Update:
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  • 8
    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: 4 This Week
    Last Update:
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  • 9

    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: 7 This Week
    Last Update:
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  • 10
    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: 7 This Week
    Last Update:
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  • 11
    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: 3 This Week
    Last Update:
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  • 12
    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: 2 This Week
    Last Update:
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  • 13
    N-JARC (Running Calculator)

    N-JARC (Running Calculator)

    Calculator for Marathon Runners

    N-JARC is a specialty calculator designed for long-distance runners who employ a run-walk-run type strategy in their races. This is very common among non-elites athletes over longer distances like the full marathon (26.2 miles!). The program accepts race distance, running and walking paces (metric or imperial) and a ratio (in whole minutes) of running to walking periods. A finishing time gives those values is produced.
    Downloads: 3 This Week
    Last Update:
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  • 14
    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: 3 This Week
    Last Update:
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  • 15
    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: 3 This Week
    Last Update:
    See Project
  • 16

    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: 2 This Week
    Last Update:
    See Project
  • 17
    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: 2 This Week
    Last Update:
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  • 18
    QuillEdit is an enhanced notepad(maybe wordpad also) replacement. It includes all the features in notepad plus Math equation editor, Symbolic calculator, graph plotter, FireEdit syntax highlighter, spelling checker, word counter, and MDI interfaces.
    Downloads: 2 This Week
    Last Update:
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  • 19

    Simple Calc

    A Simple Calculator

    just a test, very simple calculator
    Downloads: 2 This Week
    Last Update:
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  • 20
    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:
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  • 21

    C_Sharp_Calculator

    RPN based calculator in C#.

    Currently, this is the first version of an RPN calculator made to be easy to implement for any C# project requiring parsing of text into calculable data. Using RPN (Reverse Polish Notation) to place strings in a specific format to allow fast processing for parsing and evaluating the string.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22

    CalcSubnet

    IP subnet calculator

    Simple classfull subnet calculator.
    Downloads: 1 This Week
    Last Update:
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  • 23

    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: 1 This Week
    Last Update:
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  • 24
    This piece of software help you to calculate the profit of the arbitrage on the auction house in Diablo 3. In other words it helps you to calculate how much you will earn if you buy on item from one of the auction houses (gold or real money), and then sell it on the other auction house.
    Downloads: 1 This Week
    Last Update:
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  • 25
    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: 1 This Week
    Last Update:
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