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Click the button to begin, accept the mic permissions, and give some math commands! Try "Add 5", "Divide by 10", "Multiply by 2", "Subtract 8", "Repeat" (make sure your sound is on), "Reset to 100" or "Stop".

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Made with 💙 using Microsoft Cognitive Services

Your browser doesn't support the SpeechRecognition API

We're as sad as your are. As of creation, just Chromium-based browsers do. Firefox has the feature working but they're sorting out the permissions for it. For now try it in Chrome. See here to see the support table.

If you'd like to just see a YouTube video of me using it, check here.

This demo ran out of API credit

This got more popular than we anticipated.

If you'd like to just see a YouTube video of me using it, check here. Otherwise try back later.