Open Source Python Calculators
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Python Calculators
View related business solutionsBrowse free open source Python Calculators and projects below. Use the toggles on the left to filter open source Python Calculators by OS, license, language, programming language, and project status.
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Advanced Trigonometry Calculator
Open-source C/C++ math engine for advanced scientific computing
Advanced Trigonometry Calculator (ATC) is an open-source mathematical computing engine written mainly in C/C++. Created in 2011 and maintained by Renato Alexandre dos Santos Freitas, ATC is designed as a practical Windows desktop application for advanced calculations, automation, and technical problem solving. ATC supports equation solving, polynomial tools, complex numbers, matrix calculations, statistics, physics, geometry, unit conversions, DSP/FFT operations, and scripting. It can also process batch TXT files, making it useful for repeatable calculations and automated workflows. The project also includes ATC Online Alpha, a WebAssembly-based version that brings parts of the ATC engine to the web. ATC is released under the GPLv3 license and is made in Portugal. -
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HCalculator
HCalculator - Professional Hydraulic Calculator
PROFESSIONAL HYDRAULIC CALCULATIONS A reliable engineering application created for designers, mechanics, and machine technicians. Perform precise technical calculations instantly, completely securely, and without ads. -
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Financial Calculator
Windows 11 only — includes 16 sections with text and visual reports.
Take control of your finances with Financial Calculator 8.0, a professional yet easy-to-use desktop tool built for precise, everyday financial calculations. From planning loans and estimating taxes to generating invoices and creating QR codes, this all-in-one software offers 16 specialized sections that make your daily financial and business tasks faster, clearer, and more accurate. Whether you’re a student, small business owner, or finance professional, Financial Calculator brings professional-grade precision to your desktop—no installation required. Perform calculations for Bank, Barcode, Building, Buy & Sell, Commodity, Dividing Money, Inflation, Interest, Internet Usage, Invoice, Loan, Password, Phone, QR Code, Stock Market, and Tax. -
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Black Spot Leaf Area Calculator
Automated leaf area estimation from scanned leaf images
Black Spot is a free stand alone software and method to estimate leaf area from images of leaves captured using standard flatbed scanners. This easy to use software allows the user to batch process a large number of samples from multiple species with minimal user input. -
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Time Calculator
Calculator GUI+CLI, but for time intervals
Does simple math of two time values in the format MM:DD:YY. This allows adding/subtracting one duration with another without having to do any extra math to convert to/from decimal. -
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microstrip-antenna-calculator
A microstrip patch antenna calculator
This tool can calculate rectangular, circular, and triangular patch of antenna dimensions Support me by clicking the star in my Github account https://github.com/fadhlurrahmann/microstrip-antenna-calculator -
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Python Calculator
My own project
Made like in one day, using PyQT5, QT Designer, and PyInstaller -
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A tool for Spellcrafters and their customers playing Mythic Entertainment's MMPORG, Dark Age of Camelot
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NZMATH
Python Calculator on Number Theory, three-birds-one learning material
NZMATH is a Python calculator on number theory. It is freely available and distributed under the BSD license. All programs are written only by Python so that you can easily see their algorithmic number theory. You can get NZMATH with a single command: % python -m pip install -U nzmath Here % is the command line prompt of Windows or Unix/macOS. This release contains several program corrections and additions obtained by writing a programming "notebook" of the book 'Lectures on Elementary Number Theory' (TAKAGI, Teiji) in Python-NZMATH language. The "notebook" is available together. It is designed for beginning students of algorithmic number theory to self-study Number Theory, Programming and scientific English together, three-birds-one learning material. It is possible only by running and reading the programs. You can get the notebook here: https://sourceforge.net/projects/nzmath/files/nzmath-enttakagi/ Visit our home page in detail: https://nzmath.sourceforge.io/ -
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PraktiCalc
a practical calculator written in Python
PraktiCalc is an unique calculator with many features you see elsewhere, and some you only get here. Development is happening on GitHub at the time of writing. If you have any issues or feature ideas, please let me know by opening an issue on GitHub (you can also open a ticket here if you want, but I don't look at them that often). There are packages for Windows (x86_64), macOS (aarch64) and Linux (Debian, AppImages for amd64/aarch64, TinyCore). -
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Money Math
Smart financial calculator for savings, discounts and payments
Looking for a simple yet powerful financial tool? Our calculator app helps you easily manage your money with four key features. You can calculate how much your savings will grow with interest — just enter your deposit, rate, and period. It’s perfect for planning your investments. The app also helps you understand discounts — input the original price and discount percentage, and see the final price instantly. Managing regular payments is simple: just enter the amount, frequency, and duration to find out your total expenses. Additionally, the app provides a clear financial overview, combining all calculations to help you plan smarter. Its intuitive interface makes navigation easy, and all calculations use reliable formulas for precision. The app is fast, lightweight, and works offline, securing your privacy by not storing personal data. Whether budgeting, saving, or shopping smarter, this app is your go-to tool for better financial decisions. -
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Error Propagation Calculator
Easily propagate measurement errors through mathematical operations.
Error Propagation Calculator is essentially a cross-platform GUI front-end for the Python Uncertainties library that does not require knowledge of Python to use. Simply point and click to enter values and errors, input your expression and press compute. The program evaluates native Python code, but the user does not need to know the syntax as common operators are provided as buttons, similar to a scientific calculator. -Evaluate expressions with as much as 26 different variable and error pairs. -Copy output to the system clipboard by simply double clicking the output field. -Cross-platform: Works on Windows, Linux, and Mac. All calculations are dependent on the uncertainties package (Uncertainties: a Python package for calculations with uncertainties, Eric O. LEBIGOT, http://pythonhosted.org/uncertainties/) -
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Financial Calculator (Linux)
Professional financial tools: 16 sections with text and visual reports
Take control of your finances with Financial Calculator 8.0, a professional yet easy-to-use desktop tool built for precise, everyday financial calculations. From planning loans and estimating taxes to generating invoices and creating QR codes, this all-in-one software offers 16 specialized sections that make your daily financial and business tasks faster, clearer, and more accurate. Whether you’re a student, small business owner, or finance professional, Financial Calculator brings professional-grade precision to your desktop—no installation required. Perform calculations for Bank, Barcode, Building, Buy & Sell, Commodity, Dividing Money, Inflation, Interest, Internet Usage, Invoice, Loan, Password, Phone, QR Code, Stock Market, and Tax. -
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Universal Clock
simple universal clock
a simple Windows software called Kara Universal Clock. Using this program, you can see the current date and time of that city by typing the first letters of the desired city and selecting that city from the list. This software can be used for those who work with foreign clients, work in international companies, or for any reason need to know the exact time of a city anywhere in the world. -
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Compilation of Physics Calculators
A compliation of Physics derived claculators
A NEW GUI VERSION WILL BE RELEASED SOON! Thank you for visiting the Physics Calculator, provided by PIezoSystems Inc., please visit their company website at https://piezosystems.org. For other downloads, please visit our github page, https://github.com/PiezoSystems. We hope that you find this program useful and easy to use, for troubleshooting, please email us, contact@piezosystems.org. If any bugs were found, please email us at bugs@piezosystems.org. -
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BMI Calculator app
Desktop application to calculate the Body Mass Index (BMI)
Enter your weight in kg and height in centimetres to calculate your Body Mass Index to stay fit physically and healthy! The BMI is displayed in different colors such as, 🟪 Purple - Very severely underweight 🟦 Blue - Underweight 🟩 Green - Healthy 🟨 Yellow - Overweight 🟧 Orange - Obese 🟥 Red - Extremely obese Download BMI Calculator today -
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Calendar Calc v2.0
Date utilities for any calendar task
CalendarCalc represents a significant leap forward in digital time management and chronological calculation tools, offering a refined and powerful user experience directly on your Windows desktop. Designed to bridge the gaps left by traditional calendar applications, this utility focuses specifically on the mathematics of time, allowing you to instantly solve any query related to durations, intervals, and international holiday occurrences. With an advanced calculation engine and a fluid cross-platform interface, the app enables you to determine with surgical precision the exact number of years, months, weeks, and days between any two dates, eliminating the risk of human error in manual calculations. Beyond calculating time differences, the app features a versatile date projection function that allows you to add or subtract specific time periods to immediately identify future deadlines or past events, an indispensable tool for project management, legal term calculations, or retireme -
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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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Hi-Visibility Calculator
A basic calculator with features for people with visual impairments
A basic calculator with features for people with visual impairments. Check out our website below for details: -
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A simple IPv4 Address Calculator. It's a free Python module. It's also a core part of the IPeek-GUI wrapper.
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LER&LWR Calculator
Tool for line edge parameters calculation
Load a folder with images from raster electron microscope, choose necessary options and let the algorythm calculate the characteristics of the line. -
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