Open Source Calculators
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Calculators
View 1082 business solutionsBrowse free open source Calculators and projects below. Use the toggles on the left to filter open source Calculators by OS, license, language, programming language, and project status.
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Deliver secure remote access with OpenVPN.OpenVPN's products provide scalable, secure remote access — giving complete freedom to your employees to work outside the office while securely accessing SaaS, the internet, and company resources.
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Red Hat Ansible Automation Platform on Microsoft AzureDeploy Red Hat Ansible Automation Platform on Microsoft Azure for a strategic automation solution that allows you to orchestrate, govern and operationalize your Azure environment.
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PeaZip
Free Zip software and Rar extractor
PeaZip is a free archiver tool. The application provides an unified, natively portable, cross-platform file manager and archive manager GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX. Create: 7Z, ARC, Brotl, BZip, GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP, Zstandard files and more Open and extract 200+ file types: ACE, CAB, DEB, ISO, RAR, ZIPX and more Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives (sfx), split files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export task definition as command line script. -
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Integrated Development Environment for some microcontrollers based on 8051(e.g. AT89S8253). Supported languages are Assembly and C. It has its own simulator, assembler, editor and many other tools. See the project web site for more details and the newest updates.
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phpipam
phpipam open-source IP address management
phpipam is an open-source web IP address management application (IPAM). Its goal is to provide light, modern and useful IP address management. It is php-based application with MySQL database backend, using jQuery libraries, ajax and some HTML5/CSS3 features. -
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TILP - TI Linking Program
TI graphing calculators <-> computer communication software
TILP (formerly GtkTiLink) can transfer data between Texas Instruments graphing calculators and a computer. It works with all link cables (parallel, serial, Black/Gray/Silver/Direct Link) and it supports the TI-Z80 series (73..86), the TI-eZ80 series (83PCE, 84+CE), the TI-68k series (89, 92, 92+, V200, 89T) and the Nspire series (Nspire Clickpad / Touchpad / CX, both CAS and non-CAS). The project is now managed on Github, https://github.com/debrouxl/tilp_and_gfm . It uses the libti* libraries, https://github.com/debrouxl/tilibs . Install script for *nix: https://github.com/debrouxl/tilp_and_gfm/blob/master/tilp/trunk/build/scripts/install_tilp.sh -
Top-Rated Free CRM SoftwareHubSpot is an AI-powered customer platform with all the software, integrations, and resources you need to connect your marketing, sales, and customer service. HubSpot's connected platform enables you to grow your business faster by focusing on what matters most: your customers.
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Precise Calculator has arbitrary precision and can calculate with complex numbers, fractions, vectors and matrices. Has more than 150 mathematical functions and statistical functions and is programmable (if, goto, print, return, for).
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TeemIp - IPAM and DDI solution
IP Address Management - CMDB - Ticketing - DNS and Zone Management
TeemIp is a free, open source, WEB based, IP Address Management (IPAM) tool that provides comprehensive IP Management capabilities. It allows you to manage your IPv4, IPv6 and DNS spaces: track user requests, discover and allocate IPs, manage your IP plan, your subnet space, your zones and DNS records in accordance with best in class DDI practices. At the same time, TeemIp's CMDB allows you to manage your IT inventory and links your CIs to the IPs they use. Project source code is located on https://github.com/TeemIP -
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GraphCalc is a very gui graphing calculator. It has been called a good replacement for a TI-85. It is a must for any high school math student.
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NOTE: Moved to https://github.com/vapier/pcalc Pcalc is a command line calculator handling HEX DEC OCT BIN. It can process a script, save variables to file, full math parser, parentheses, exponential, sin/cos, sqrt, date, inch/mm celsius/f, compound expressions ...
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An automated, Web based IP address management (IPAM) software. It features powerful search and filter functions for both networks and host, as well as many tools (e.g. a subnet calculator) helping Administrators to plan and handle complex IP networks
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The #1 Embedded Analytics Solution for SaaS Teams.Qrvey’s comprehensive embedded analytics software enables you to design more customizable analytics experiences for your end users.
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CRC RevEng
Arbitrary-precision CRC calculator and algorithm finder
CRC RevEng is a portable, arbitrary-precision CRC calculator and algorithm finder. It calculates CRCs using any of the 113 preset algorithms, or a user-specified algorithm to any width. It calculates reversed CRCs to give the bit pattern that produces a desired forward CRC. CRC RevEng also reverse-engineers any CRC algorithm from sufficient correctly formatted message-CRC pairs and optional known parameters. It comprises powerful input interpretation options. Compliant with Ross Williams' Rocksoft(tm) model of parametrised CRC algorithms. -
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Open Tax Solver
Calculates income tax form entries, helps do your taxes.
OTS is a safe, secure, easy-to-use program for calculating Tax Return Form entries, and determining your tax-owed or refund-due, for Federal or State personal income taxes. Includes updated versions for US 1040, Schedules A, B, C, D, and for several states. OTS provides both graphical and textual interfaces for quickly filing out your tax forms. -
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This emulator is capable of providing a faithful replication of the HP48. It also has a debugger for the saturn processor.
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Osmo is a handy personal organizer, which includes calendar, tasks manager, address book and notes modules. It was designed to be a small, easy to use and good looking PIM tool to help to manage personal information.
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CEmu emulator
Third-party TI-84 Plus CE / TI-83 Premium CE emulator
Developer-oriented emulator of the eZ80-based TI-84 Plus CE / TI-83 Premium CE calculators. CEmu is a third-party TI-84 Plus CE / TI-83 Premium CE calculator emulator, focused on developer features. The core is programmed in C and the GUI in C++ with Qt, for performance and portability reasons. CEmu works natively on Windows, macOS, and Linux! Easy setup - get running by doing a one-time-only connection of your calculator! Accurate and fast emulation. Customizable speed/throttling. Resizable calculator screen. "Always-on-top" window option. Screen capture (PNG). Screen recording (animated PNG). File sending/receiving (not for Apps/OS yet). Multiple keybinding presets. Emulation states for efficient saving / restoring. Color skins (like the real devices). Available in English, French, Spanish, and Dutch. -
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EN: Code created to show how is done the calculation of a CRC. It includes many different CRCs to choose from. This software was created to help people understand how is the CRC calculated and be able to see it in a practical way, it is also available to copy and use it for your own project. I hope it helps you. ES: Código creado para mostrar como se realiza el cálculo de un CRC. Con el mismo se incluyen varios CRCs que pueden ser escogidos. Este software se creó con el propósito de ayudar a la gente a entender como se hace el cálculo de un CRC de una manera más práctica y sencilla, también se puede copiar y aprovecharlo para otras aplicaciones. Espero que te sea util.
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WP 34s
Scientific/engineering firmware repurposing HP business calculators!
This project has created scientific firmware for the HP-20b and HP-30b business calculators. WP 34S turns either of these calculators into a powerful keystroke programmable scientific device. According to our customers, it's the most powerful and fastest RPN scientific pocket calculator ever built. WP 34S is alive and stable since 2011. We have succeeded in satisfying the most picky users - read about their experiences on http://www.hpmuseum.org/forum/forum-8.html. Since 2014, WP 34S runs in version 3.3. Our customers confirm its documentation is excellent and comprehensive (see feedback); a full-color printed edition is available from https://www.amazon.com/dp/153366238X since 2018-10-15. Alternatively, you can get a personalized pdf-manual for a ≥ 9 US$ donation here. We have also produced the WP 31S which is derived from the WP 34S source code. This is an entry-level scientific calculator. Its printed manual is available from https://www.amazon.com/dp/1499231164 . -
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4tH compiler
A Forth compiler with a little difference
4tH is a Forth compiler with a little difference. Instead of the standard Forth engine it features a conventional compiler. 4tH is a very small compiler that can create bytecode, C-embeddable bytecode, standalone executables, but also works fine as a scripting language. It supports about 95% of the ANS Forth CORE wordset and features conditional compilation, pipes, files, assertions, forward declarations, enumerations, structures, suspended execution, recursion, include files, etc. It comes with an RPN calculator, BASIC interpreter, line editor, preprocessor, compiler, decompiler, C-source generator, a virtual machine, and a multitasking environment. -
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Finanx 12c
Financial Calculator
The Finanx 12c is a free software that mimics the HP-12C financial calculator. This software was developed for educational purposes. IT'S NOT RECOMMENDED using this calculator for professional calculations. If you find any bugs, please, let me know. Click "Bugs" in the menu bar to report bugs found. -
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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! -
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OptionMatrix
Financial Derivatives Calculator with 168+ Models (Options Calculator)
A real-time financial derivatives calculator supporting 168+ models from QuantLib, Financial Numerical Recipes in C++ and MetaOptions. Matrices of prices are created with iterating strikes and/or months. A strike control system can produce any strike. A generalized date engine can calculate re-occuring distances to any industry used expiration into the future. Spread engine with spread views. Models Supported: Black-Scholes, Merton-73, Black-76, Roll Geske Whaley, Garman KohlHagen, Jump Diffusion, Quanto, Vasicek Bond Option, Turnbull Wakeman Asian, TimeSwitchOption, Look Barrier, Bachelier, PartialTimeBarrier, GapOption, Extreme Spread Option, Simple Chooser, ComplexChooser, PartialFixedLB, Executive, CashOrNothing, Extendible Writer, OptionsOnOptions, BAWAmericanApprox, BSAmericanApprox, AssetOrNothing, Bisection, BAWbisection, BSbisection, Gfrench, Gcarry, Swapoption, Complex Chooser, Super Share, EquityLinkedFXO, Spread Approximation, BinaryBarrier and more -
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Gordian Knot started out as a simple bitrate calculator for DivX encoding but has evolved to become an integrated package or tool for the entire process of DivX/XviD encoding.
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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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CGPA Calculator - UIU
You can Calculate CGPA and GPA
Hope you are well! The app will allow you to calculate your CGPA and GPA with credits and grades. Every one could use this app and you can calculate your CGPA and GPA if you institution has a grading system like United International University(UIU). Or you want us to update this app for your institution grading system then please leave a comment with your grading system details. Thank you! Instructions: 1. Enter CGPA (if you want to calculate your overall CGPA otherwise leave it blank) 2. Enter completed credits(if you enter CGPA otherwise leave it blank) 3. Select credits and grades it will automatically calculate 4. If you want to add more fields for course then select a grade of last row of course Features: 1. Ability to add more credits and grade field 2. It is developed based on United International University(UIU) grading system 3. Ability to calculate CGPA and GPA -
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A simple CPU simulator whose goal is to make assembly learning easier. This goal is reached giving a simple calculator, called ENIAC, with a simple CPU, called vCPU. The vCPU's instructions are very simple and easy to understand.
Guide to Open Source Calculators
An open source calculator is a type of calculator that is built with software which can be modified or distributed under an open source license. This means that anyone has access to the calculator’s code and can modify it as they wish, as long as they adhere to the licensing terms. Open source calculators are typically preferred by many users due to their flexibility, since they allow for people to make changes on the software without having to purchase expensive licensed versions or take time out of their day to learn new programming languages or complex math formulas.
Open source calculators are incredibly useful for both students and professionals alike, especially in areas related to mathematics, science and engineering. These tools enable users to quickly solve problems without having to manually figure out equations on a piece of paper by hand. Open source calculators support basic operations such as addition, subtraction and multiplication but also have more advanced features like graphing functions, solving system equations and finding derivatives, among others. As technology continues advancing at a rapid pace, these types of calculators become even more powerful with each iteration; offering increasingly more specialized functions meant for specific disciplines such as physics or engineering (some even come pre-loaded with algorithms designed specifically for those fields).
Another great feature found in many open source calculators is its availability on multiple platforms - desktop programs, apps on mobile devices and cloud services - so that users can easily access them from anywhere they’d like. In addition some programs will even create custom graphs based off certain data sets which allows people who aren't overly familiar with complex math principles an easier way of understanding how things operate when it comes time for analysis and problem solving.
All in all there are endless possibilities when it comes to using an open-source calculator; whether you need one for basic calculations such as arithmetic or something far more complicated like simulations involving partial differential equations – chances are you’ll be able find just the right program ready-made so you don’t have spend extra time creating your own functionalities from scratch.
Features Offered by Open Source Calculators
- Basic Math: These calculators can perform basic math operations such as addition, subtraction, multiplication, and division. They also have functions for calculating exponents and roots.
- Graphing: Open source calculators are capable of graphically displaying and manipulating equations. This allows users to better visualize the relationships between different variables in a real-time environment. Additionally, they can be used to calculate slopes, intercepts and areas under curves.
- Financial Calculations: Many open source calculators feature built-in financial calculations such as mortgage payments or loan amortization schedules. They can also be used to estimate taxes owed or compare the cost savings of different investment strategies over time.
- Scientific Calculations: Open source calculators are great for scientific experimentation because they enable users to quickly test hypotheses by inputting various data points or equations into the calculator’s memory bank for evaluation or comparison purposes later on. Additionally, some even come with pre-installed constants which make it easier to solve complex problems related to physics or chemistry with an accuracy rate that is close enough for most uses in everyday life without having to resort to more sophisticated programs designed exclusively for this purpose.
- Unit Conversion: Another useful feature available on many open source calculators is the ability convert between different units of measure like length, volume, weight etc., making it easier for those who work with physical quantities on a regular basis (such as construction workers) save time when performing calculations that require these conversions regularly
What Are the Different Types of Open Source Calculators?
- Desktop Calculator - Desktop calculators are software applications that offer basic or complex math functions and can be used in a variety of environments, including personal computers and mobile devices. These services usually provide basic operations such as addition, subtraction, division, multiplication, logs and exponents.
- Online Calculator - Online calculators are similar to desktop calculators but they run in web browsers and can be accessed from any location with an internet connection. They usually have added features such as currency conversion or advanced graphing capabilities. Many online calculation tools also allow for the sharing of data and calculations with other users.
- Scientific Calculator - Scientific calculators are dedicated to performing more complex mathematics functions including trigonometry, calculus and statistics calculations. They often include advanced features such as probability distributions and programming capabilities which can help students solve problems quickly and efficiently.
- Financial Calculator - Financial calculator applications provide powerful tools to perform financial analysis on investments or loans quickly. These tools typically feature a number of functions including present value calculations, IRR (internal rate of return) analysis, cash flow analysis and amortization tables that allow you to determine repayment plans on loans or investments over time periods up to 30 years in most cases.
- Engineering & Graphing Calculators - Engineering & graphing calculators offer specialized functionality designed for engineers or scientists who need powerful processing capabilities while working outside the lab environment such as during field research projects or out at sea on a ship. These tools often include features like equation plotting capabilities along with advanced equations solvers which make them invaluable for a variety of engineering tasks such as circuit design simulation or signal processing analysis workflows.
Benefits Provided by Open Source Calculators
- Cost Savings: Open source calculators are free to download, meaning that businesses and individuals can significantly reduce their costs associated with purchasing software. Additionally, since open source calculators are not restricted by licensing fees or other charges, users can save money on maintenance and operation costs compared to those associated with proprietary software.
- Increased Reliability: Since the code for an open source calculator is visible to all users, any problems or errors can be identified quickly and fixed with minimal effort. This increased accountability leads to more reliable products than what would otherwise be available in a closed system.
- Flexibility: With an open source platform, users have the ability to customize their calculator according to their individual needs. This flexibility allows for rapid development of new features as well as modifications of existing ones without the need for costly outside resources.
- Security: One of the primary advantages of using an open source calculator is its improved security features compared to proprietary alternatives. Open source calculators benefit from peer review and input from experienced developers in order to meet high standards of data protection and privacy regulations.
- Interoperability: By utilizing a common platform such as HTML5 or XML, developers have access to coding tools that make it easy to integrate different types of calculators across multiple platforms and devices - allowing them greater versatility when developing applications or services involving calculations.
What Types of Users Use Open Source Calculators?
- Hobbyists: People who use open source calculators as a hobby and for recreational purposes. They often use them to explore the inner workings of different software applications and understand how they operate.
- Scientists: Scientists use open source calculators to perform scientific research related tasks, such as working on complex mathematical equations, modelling complex physical systems, or performing simulations.
- Engineers: Engineers frequently rely on open source calculators not only to design and build products, but to help with troubleshooting and testing once the product is up and running.
- Educators: Teachers often utilize open source calculators in the classroom setting, using them to explain abstract concepts or provide hands-on experience with computer engineering principles.
- Business Professionals: Many business professionals find open source calculators useful when it comes time to collaborate with colleagues and make decisions based on accurate data analysis.
- Gamers: Many gamers have adopted an interest in experimenting with various coding projects that can be implemented into a variety of game genres, utilizing an array of open source calculator programs available online.
How Much Do Open Source Calculators Cost?
Open source calculators typically don't cost anything. Many open source calculator programs are available for free on the Internet, with no purchase or licensing fees required. This means that anyone can download and use these programs without having to pay any money up front. Open source code also gives developers the freedom to modify and customize any part of the program to suit their specific needs. All in all, this makes open source calculators an incredibly cost-effective option for those looking for a reliable, easy-to-use calculator program.
What Software Can Integrate With Open Source Calculators?
Open source calculators can integrate with many different types of software, allowing users to access their data from a variety of sources. For example, open source calculators can be integrated with project management software such as Trello and Basecamp, enabling users to keep track of tasks and progress toward completion without having to rely solely on the calculator. Additionally, open source calculators can be linked to customer relationships management systems such as Salesforce and Microsoft Dynamics CRM in order to generate targeted reports and analyse customer behavior. Furthermore, they can also be tied into financial services platforms like Xero or QuickBooks in order to quickly produce reports related to the financial performance of a business. Finally, open source calculators can be used alongside graphic design tools like Adobe Illustrator or Inkscape in order to create graphs or charts that visualize large amounts of data.
Recent Trends Related to Open Source Calculators
- Open source calculators are becoming increasingly popular due to their flexibility, affordability, and ease of use.
- With open source calculators, users have the freedom to customize the software based on their specific needs and preferences.
- Open source calculators offer a wide range of features including graphing capabilities, advanced mathematics calculations, and scientific functions.
- They also provide access to a variety of third-party apps and plugins that can be used to further extend the functionality of the calculator.
- Open source calculators are typically available for free or for a nominal fee, making them an attractive option for those on a tight budget.
- In addition, open source calculators are often designed with a user-friendly interface that makes them easy to learn and use.
- Many open source calculators are now compatible with different operating systems and devices, allowing users to access them from virtually any device.
- As open source calculators become more popular, they are becoming increasingly accessible to the public, creating opportunities for users to learn how to program and customize their own software.
How To Get Started With Open Source Calculators
- Find an Open Source Calculator: The first step is to find an open-source calculator that meets your needs. There are many different options out there, including some of the most well-known choices like LibreOffice Calc, Gnumeric, or Kalkules. You can also find other options by searching for "open source calculator" on Google or your favorite search engine. Once you've found a few potential options, make sure to go through their feature lists and read up on user reviews before making a final decision.
- Download and Install: After selecting the right calculator for you, it's time to download and install it on your computer or device. Most open source calculators are free downloads available online; simply follow the instructions provided to install them onto your machine.
- Start Calculating: Now that you have everything set up, it's time to start crunching numbers. Make sure to look through all of the features included in your chosen calculator so that you can get familiar with it before actually using it; this way, you'll know exactly what buttons do what and won't be caught off guard while inputting data into your spreadsheet or performing calculations in real-time with a scientific calculator program such as Kalkules Calc Pro+.
- Get Help from the Community: If at any point during these steps you find yourself stuck or unsure of something related to open source calculators (such as how to use a certain feature), don't hesitate to reach out. Many open source software communities provide help resources such as documentation guides, tutorials for getting started, forums where users ask questions and support each other – all very helpful tools when learning about new technologies like an open source calculator.