[go: up one dir, main page]

C# Calculators for Windows

View 510 business solutions

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

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
    Start Free
  • Self-hosted n8n: No-code AI workflows Icon
    Self-hosted n8n: No-code AI workflows

    Connect workflows. Integrate data

    A free-to-use workflow automation tool, n8n lets you connect all your apps and data in one customizable, no-code platform. Design workflows and process data from a simple, unified dashboard.
    Learn More
  • 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: 82 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: 48 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: 26 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.
    Leader badge">
    Downloads: 10 This Week
    Last Update:
    See Project
  • Point of Sale. Powerful and Simple. Icon
    Point of Sale. Powerful and Simple.

    For retail store owners and multi-location retail operations needing a tool to manage sales, inventory, staff and channels in one place

    Vibe Retail is an all-in-one retail point-of-sale and operations platform built for single-store and multi-location retailers seeking to unify inventory, sales, staff and customer data from one mobile-friendly interface. The system lets you track inventory across locations and warehouses, handle item variations (size, color, material), manage purchase orders and supplier deliveries, print custom barcodes, and transfer stock between stores in real time. On the sales side, Vibe supports multiple payment types (cards, cash, checks, gift cards, EBT), layaway workflows, serial number tracking, delivery management, loyalty programs and branded receipts. Retailers can integrate with online platforms (such as Shopify and WooCommerce), sync in-store and online sales, access 40+ real-time reports on sales, inventory and performance, set up promotions and discounts, and print receipts from mobile devices.
    Learn More
  • 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: 13 This Week
    Last Update:
    See Project
  • 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: 6 This Week
    Last Update:
    See Project
  • 7
    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: 8 This Week
    Last Update:
    See Project
  • 8

    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: 8 This Week
    Last Update:
    See Project
  • 9
    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
    Leader badge">
    Downloads: 7 This Week
    Last Update:
    See Project
  • Quality and compliance software for growing life science companies Icon
    Quality and compliance software for growing life science companies

    Unite quality management, product lifecycle, and compliance intelligence to stay continuously audit-ready and accelerate market entry

    Automate gap analysis across FDA, ISO 13485, MDR, and 28+ regulatory standards. Cross-map evidence once, reuse across submissions. Get real-time risk alerts and board-ready dashboards, so you can expand into new markets with confidence
    Learn More
  • 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: 6 This Week
    Last Update:
    See Project
  • 11
    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: 6 This Week
    Last Update:
    See Project
  • 12
    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:
    See Project
  • 13
    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: 2 This Week
    Last Update:
    See Project
  • 14
    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: 3 This Week
    Last Update:
    See Project
  • 15

    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: 3 This Week
    Last Update:
    See Project
  • 16
    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:
    See Project
  • 17
    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
  • 18
    STEMCalc IV - Mathematics Swiss Knife

    STEMCalc IV - Mathematics Swiss Knife

    The Fourth Edition of STEMCalc and the biggest one yet!

    +++DISCLAIMER+++ The project is still currently in beta, thus have bare functionality, and possible bugs. Anyone who can spare time and lend a helping hand as a beta-tester is very appreciated. Contact the author for more information. +++INTRO+++ STEMCalc IV is a simple, yet powerful, console-programmed calulator written in Java, performing one calculation with two numbers max at a time and other various functions. +++STORY+++ This is the fourth edition of the previously abandoned student project STEMCalcR. The project has never seen the light of day due to various bugs and lack of usability, even after attempts at reviving the project in the forms of STEMCalcR2 and R3Boot editions. Determined, not giving up, me, one of the original co-authors of STEMCalcR, has brought to you STEMCalc IV, the swiss knife of mathematics. I am determined to drive this project further, turning it into a powerful program , more than just your average calculator.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    DiesAdQuem Calculator

    DiesAdQuem Calculator

    Calculate the Dies ad quem day

    El programa cuenta plazos es un programa que ayuda a los abogados a calcular el día Dies ad quem. Help to the barriesters, lawyers and solicitors to calculate the Dies ad quem. En el mundo legal, dependiendo del tipo de proceso, hay unos plazos para presentar, alegar, etc. Pero en estos plazos, dependiendo también del tipo de proceso, se debe de contar o no los Sábados, y en algunos, tener en cuenta los festivos nacionales, festivos autonómicos y locales.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20

    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
    Last Update:
    See Project
  • 21
    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: 1 This Week
    Last Update:
    See Project
  • 22
    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
  • 23

    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
  • 24
    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
  • 25
    This is a simple C# command line calculator. It evaluates arithmetic expressions and functions. Easy to extend. Features include factorials, powers, brackets, bracket normalization, polish notation, factorization, fields, and advanced error reporting.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next