The Windows Calculator app is a modern Windows app written in C++ that ships pre-installed with Windows.

The app provides standard, scientific, and programmer calculator functionality, as well as a set of converters between various units of measurement and currencies.

It ships regularly with new features and bug fixes. You can get the latest version of Calculator in the Microsoft Store.

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Features

  • 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 order of operations.
  • Programmer Calculator functionality which offers common mathematical operations for developers including conversion between common bases.
  • Calculation history and memory capabilities.
  • Conversion between many units of measurement.
  • Currency conversion based on data retrieved from Bing.

Getting started

Prerequisites:

  • Your computer must be running Windows 10, version 1803 or newer
  • Install the latest version of Visual Studio (the free community edition is sufficient)
    • Install the “Universal Windows Platform Development” workload
    • Install the optional “C++ Universal Windows Platform tools” component
    • Install the latest Windows 10 SDK
  • Install the XAML Styler Visual Studio extension
  • Get the code:

git clone https://github.com/Microsoft/calculator.git

  • Open src\Calculator.sln in Visual Studio to build and run the Calculator app.
  • For a general description of the project architecture see ApplicationArchitecture.md.

Contributing

Want to contribute? The team encourages community feedback and contributions. Please follow our contributing guidelines.

If it is not working properly, please file a report in the Feedback Hub. We also welcome issues submitted on GitHub.

Roadmap

For information regarding Windows plans and release schedule, please see the Windows Calculator Roadmap.

Data / Telemetry

This project collects usage data and sends it to Microsoft to help improve our products and services. Read our privacy statement to learn more. Telemetry is disabled in development builds by default, and can be enabled with the SEND_TELEMETRYbuild flag.

Reporting Security Issues

Security issues and bugs should be reported privately, via email, to the Microsoft Security Response Center (MSRC) at <secure@microsoft.com>. You should receive a response within 24 hours.

If for some reason you do not, please follow up via email to ensure we received your original message. Further information, including the MSRC PGP key, can be found in theSecurity TechCenter.

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