Source: https://seerepo.com/r/microsoft/calculator
Markdown source: https://seerepo.com/r/microsoft/calculator.md
Description: microsoft/calculator is a C# repo with 36,325 lines written. calculator is built with Microsoft.NETCore.UniversalWindowsPlatform and CommunityToolkit.Mvvm.

# What's inside microsoft/calculator

microsoft/calculator is a C# repo with 36,325 lines written. calculator is built with Microsoft.NETCore.UniversalWindowsPlatform and CommunityToolkit.Mvvm. AI signed 0.3% of the 905 commits of calculator.

Its description on GitHub: “Windows Calculator: A simple yet powerful calculator that ships with Windows”

C# · MIT · 31,085 stars · GitHub: https://github.com/microsoft/calculator

Read on November 7, 2026, at commit 79e1ac5.

## More on this repo

- [What is calculator built with?](https://seerepo.com/r/microsoft/calculator/built): calculator is built with Microsoft.NETCore.UniversalWindowsPlatform and CommunityToolkit.Mvvm.
- [How much of calculator did AI write?](https://seerepo.com/r/microsoft/calculator/ai): AI signed 0.3% of the 905 commits of calculator.

## In figures

- 36,325 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 102 source files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 45 test files: The files that test the code.
- 5 technologies: Each service with the file and line that prove it.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

## Frequently asked questions

### What is microsoft/calculator?

microsoft/calculator is a C# repo with 36,325 lines written. Its description on GitHub: “Windows Calculator: A simple yet powerful calculator that ships with Windows”

The proof: [its page on GitHub](https://github.com/microsoft/calculator)

### What is calculator built with?

calculator is built with Microsoft.NETCore.UniversalWindowsPlatform and CommunityToolkit.Mvvm.

The proof: [each service with its file and line](https://seerepo.com/r/microsoft/calculator/built)

### How much of calculator did AI write?

AI signed 0.3% of the 905 commits of calculator.

The proof: [the commits each tool signed](https://seerepo.com/r/microsoft/calculator/ai)

### What license does calculator have?

calculator is released under the MIT license.

The proof: [its page on GitHub](https://github.com/microsoft/calculator)

### How many stars does calculator have on GitHub?

calculator had 31,085 stars on GitHub on November 7, 2026.

The proof: [its page on GitHub](https://github.com/microsoft/calculator)

## Add this badge to your README

It links to this page and updates itself each time SeeRepo reads the repo.

```markdown
[![microsoft/calculator on SeeRepo](https://seerepo.com/badge/microsoft/calculator.svg)](https://seerepo.com/r/microsoft/calculator?de=insignia)
```

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.