Browse 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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  • 1
    Advanced Trigonometry Calculator

    Advanced Trigonometry Calculator

    Precision Trigonometry: Advanced Calculator for Complex Math

    Advanced Trigonometry Calculator is equipped with a user-friendly interface that allows for easy input of problems and instant computation. Professionals such as engineers who need to perform advanced trigonometric calculations in their work will find this tool extremely useful. ATC Online Alpha: https://advantrigoncalc.sourceforge.io/atc/ More info by clicking below: https://advantrigoncalc.sourceforge.io/ Advanced Trigonometry Calculator was only and always only developed by the Portuguese Renato Alexandre dos Santos Freitas. Also author of poems, reflections and thoughts published on the platform https://www.pensador.com/autor/renato_alexandre_dos_santos_freitas/ ATC is Made in Portugal. He was born in Coimbra on July 6, 1991. He has a degree in Electrical and Telecommunications Engineering and began developing ATC at the beginning of his undergraduate studies. He works for Miclearning, Lda since April 2020. Providing services to Multimac Hito Innovation.
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    Downloads: 12 This Week
    Last Update:
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  • 2
    Financial Calculator

    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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    Downloads: 20 This Week
    Last Update:
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  • 3
    Financial Calculator

    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.
    Downloads: 17 This Week
    Last Update:
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  • 4
    PaCal
    ProbAbilistic CALculator - a package for computing with probability distributions
    Downloads: 13 This Week
    Last Update:
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    microstrip-antenna-calculator

    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
    Downloads: 7 This Week
    Last Update:
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  • 6
    Python Calculator

    Python Calculator

    My own project

    Made like in one day, using PyQT5, QT Designer, and PyInstaller
    Downloads: 9 This Week
    Last Update:
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  • 7
    Financial Calculator (Linux)

    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.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 8
    A tool for Spellcrafters and their customers playing Mythic Entertainment's MMPORG, Dark Age of Camelot
    Downloads: 7 This Week
    Last Update:
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  • 9
    Tablet 83 is an easy-to-use calculator based on the _functionality_ of Texas Instruments' TI-83+.
    Downloads: 7 This Week
    Last Update:
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  • 10
    Black Spot Leaf Area Calculator

    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.
    Downloads: 6 This Week
    Last Update:
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  • 11
    PraktiCalc

    PraktiCalc

    a practical calculator written in Python

    PraktiCalc is a simple calculator written in Python, compatible with Windows 7+ and Linux. MacOS support is also here now, in form of an unsigned .app bundle. There are not that many actually useful functions provided by PraktiCalc which don't exist in a modern calculator. But you have support and integration for Linux and Windows, especially for messagebox dialog tools like zenity, kdialog and xmessage on Linux and VBS MsgBoxes on Windows. All that together with number conversion and great DPI scaling, it can be great and it will be even better in the future.
    Downloads: 5 This Week
    Last Update:
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  • 12
    rpCalc is a calculator that uses Reverse Polish Notaion (RPN). It supports both keyboard entry and use of the mouse.
    Downloads: 3 This Week
    Last Update:
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  • 13
    rpCalc is a simple RPN (Reverse Polish Notation) calculator.
    Downloads: 3 This Week
    Last Update:
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  • 14
    BMI Calculator app

    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
    Downloads: 2 This Week
    Last Update:
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  • 15

    CompliCalc

    Multiple Complex Algebraic and Functional Calculators

    With 21 calculators, CompliCalc can handle anything from tax needs to factorial to your radian homework, and if we don't have the calculator you want, you can submit a request and tell the team. If you need a previous download of CompliCalc, click on the files link by the download button. Also, if you need any support, be sure to us know!
    Downloads: 2 This Week
    Last Update:
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  • 16
    Cashderivatives.org Pricing Calculator
    Cashderivatives.org Pricing Calculator (CDPC) is a calculator for financial instruments. The project is now discontinued. The project had reached alpha development status, when it was decided to not continue with the project.
    Downloads: 1 This Week
    Last Update:
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  • 17
    Compilation of Physics Calculators

    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.
    Downloads: 1 This Week
    Last Update:
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  • 18
    Coreculator

    Coreculator

    Advanced Desktop Calculator (The Most Advanced) with More Functions

    SUPPORT and GUIDES here: http://coresecproject.com/community/ Advanced Desktop Calculator (The Most Advanced) with More Functionality Written in Python and QT. Bunch of Math Operators (Python) such as calculating with PEMDAS, Radius, CEIL, Sine and MORE! [Operators] + Addition - Subtraction / Division * Multiplication // Floor Division (Round and without Decimals) ** Exponentiation % Modulos cc.pow(X, Y) X to the Power of Y cc.sqrt(X) Square root of X cc.ceil(X) Ceiling of X (X is a number e.g 18) cc.fabs(X) Absolute value of X cc.factorial(X) Factorial of X cc.floor(X) Floor of X cc.acos(X) Cosine of X cc.asin(X) Arc S
    Downloads: 1 This Week
    Last Update:
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  • 19
    Allows you to determine a new coumadin or warfarin regimen based on a previous coumadin regimen and INR. Should help develop anticoagulation regimens
    Downloads: 1 This Week
    Last Update:
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  • 20
    Currency-Converter

    Currency-Converter

    Converts 170+ international currency rates

    Downloads: 1 This Week
    Last Update:
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  • 21
    ELOcalc is a small GUI/command-line calculator designed to calculate ELO scores (for, e.g., chess).
    Downloads: 1 This Week
    Last Update:
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  • 22
    Hi-Visibility Calculator

    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:
    Downloads: 1 This Week
    Last Update:
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  • 23
    This is a GUI wrapper for IPeek module (Python IPv4 Address Calculator). This little application can help with day-to-day IP address calculations.
    Downloads: 1 This Week
    Last Update:
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  • 24
    JavaAntonioVandreEvalGUI

    JavaAntonioVandreEvalGUI

    Frontend para a calculadora JavaAntonioVandreEval.

    Downloads: 1 This Week
    Last Update:
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  • 25

    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.
    Downloads: 1 This Week
    Last Update:
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