Pi Deliberate
Train expertise, one digit at a time.
Memorize pi using deliberate practice — the same method real experts use to develop extraordinary ability.
Why Pi?
The digits of pi create an ideal training environment for building real expertise.
Infinite Depth
There is always more to learn — no ceiling on your growth.
Clear Feedback
Every digit is right or wrong — no ambiguity.
Consistent Structure
Repeated exposure to the same patterns builds intuition.
No Shortcuts
Improvement reflects real learning, not luck.
The Four Conditions of Expertise
Research shows that expertise emerges when these four conditions are met. Pi Deliberate is designed to satisfy all of them.
Valid Environment
A stable, rule-based domain with real patterns to discover.
Many Repetitions
Focused, repeated attempts that build long-term memory.
Timely Feedback
Immediate correction after every digit you enter.
Deliberate Practice
Sessions designed to keep you just beyond your comfort zone.
Not a Game
Just a valid environment, repeated effort, timely feedback, and deliberate practice.
Inspired by research on expertise development and the Veritasium video “The 4 things it takes to be an expert” by Derek Muller.