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Play Pi

Tap the digits of π in order. Your fingers learn the pattern. Wrong digits shake, correct ones advance.
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I know 0 digits of π
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About this page & FAQ

About this page

This is the play mode for Pi (π) = 3..... The numpad path is hidden and you must tap each digit from memory. Your high score is saved locally between sessions.

PlayMemorize is a free memory trainer for mathematical constants. It runs entirely in the browser with no account, no installation, and no cost. Progress is saved locally.

Study · Learn · All digits · What is this? · About

Frequently Asked Questions

Q: How many digits of pi can I memorize?

PlayMemorize supports up to 12,000 digits of pi, plus 40+ other mathematical constants including e, the golden ratio, and the square root of 2.

Q: Is the Pi Trainer free?

Yes, completely free. No account, no ads. Your progress is saved locally in your browser.

Q: What memorization method does it use?

The numpad path method. You tap digits on a phone-style keypad, building muscle memory through the physical path your finger traces. This combines visual, spatial, and motor memory.

Q: Can I practice specific digit ranges?

Yes. Use Study mode to focus on specific sections, Learn mode for guided practice, or Play mode for speed challenges.