Contact

Get in touch

Have a question, a suggestion, a typo to report, or just want to say the course made you smile? We read everything.

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Email us

We aim to reply within a few days. For bug reports, it helps to include which lesson you were on and what you typed.

Frequently asked

Is the course really free?

Yes — all ten lessons, the exam, and the certificate are completely free.

Is my progress saved?

Your progress is stored locally in your own browser, so it stays on your device. Clearing your browser data will reset it.

Can I use this to teach others?

Absolutely — share the link with students, friends, or your team. We'd love to hear how it goes.