<img src="https://www.numworks.com/resources/engineering/software/epsilon.svg" alt="NumWorks Epsilon logo" height="70" >

[![Build Status](https://api.travis-ci.org/numworks/epsilon.svg?branch=master)](https://travis-ci.org/numworks/epsilon)
[![Build Status](https://ci.appveyor.com/api/projects/status/github/numworks/epsilon?branch=master&svg=true)](https://ci.appveyor.com/project/Ecco/epsilon-n2hn8/branch/master)

Epsilon is a high-performance graphing calculator operating system. It includes eight apps that cover the high school mathematics curriculum.

You can try Epsilon straight from your browser in the [online simulator](https://www.numworks.com/simulator/).

## Diving in

We highly recommend you start by reading the [online documentation](https://www.numworks.com/resources/engineering/software/) for this project. You'll learn about:

* Installing the [SDK](https://www.numworks.com/resources/engineering/software/sdk/)
* The [design decisions](https://www.numworks.com/resources/engineering/software/embedded/) that were made
* The overall [software architecture](https://www.numworks.com/resources/engineering/software/architecture/) of the firmware

## Contributing

If you run into an issue, we would be very happy if you would file a bug on the [issue tracker](https://github.com/numworks/epsilon/issues).

We welcome contributions. For smaller changes just open a pull request straight away. For larger changes we recommend you open an issue first for discussion.

## License

NumWorks Epsilon is released under a [CC BY-NC-SA License](https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode). NumWorks is a registered trademark.
