The DailyFive equations.
Five equations.
How few clues do you need?
Each equation starts as a bare formula. Name it, or reveal the field, the era and the discoverer one clue at a time. Use fewer clues for a higher score.
Play today’s setA new set every midnight
Equation 3 of 55 pts available
Field
Quantum Mechanics
Era2
•••
Description3
•••
Discoverer4
•••
Share your grid
Each row is one equation, and each square is one clue. Green marks the clue that cracked it. Post the grid with no spoilers and compare streaks with friends.
More games
Same equations, different puzzlesConnections
DailySixteen equations, four hidden groups. Find the ones that share a discoverer, a field or an era.
Endless
PracticeDaily-style rounds without the daily limit. Filter by subject and difficulty and build a run.
Missing Piece
PracticeOne term of a famous formula is boxed out. Pick the piece that completes it.
Chain
SoonPut equations in derivation order, from first principles to result.
The equation bank
- Mathematics
- 114
- Physics
- 231
- Computing
- 60
Growing to thousands, sourced from Wikidata and reviewed by hand.