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# Calculator
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.
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Calculator ships regularly with new features and bug fixes. You can get the latest version of Calculator in the [Windows Store. ](https://www.microsoft.com/store/apps/9WZDNCRFHVN5 )
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<!-- TODO: Replace with badge from public pipeline -->
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[](https://microsoft.visualstudio.com/Apps/_build?definitionId=3539)
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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 ](https://www.bing.com ).
## Getting started
Prerequisites:
- Your computer must be running Windows 10, version 1803 or newer
- Install the latest version of [Visual Studio ](https://developer.microsoft.com/en-us/windows/downloads ) (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
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- Install the [XamlStyler ](https://marketplace.visualstudio.com/items?itemName=TeamXavalon.XAMLStyler ) Visual Studio extension
- Get the code:
```
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git clone https://github.com/Microsoft/calculator.git
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```
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- Open [src\Calculator.sln ](/src/Calculator.sln ) in Visual Studio to build and run the Calculator app.
- For a general description of the Calculator project architecture see [ApplicationArchitecture.md ](docs/ApplicationArchitecture.md ).
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## Contributing
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Want to contribute? The team encourages community feedback and contributions. Please follow our [contributing guidelines ](CONTRIBUTING.md ).
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If Calculator is not working properly, please file a report in the [Feedback Hub ](https://insider.windows.com/en-us/fb/?contextid=130 ).
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We also welcome [issues submitted on GitHub ](https://github.com/Microsoft/calculator/issues ).
