Fitdle
A daily curve-fitting riddle.
Goal: get the highest score in the fewest guesses, then submit the guess you want on the leaderboard.
Reset local session
Diff view
Show target − selected guess
Leaderboard name (auto-saved; recorded on Submit)
Enter guess f(x)
Choose a guess to submit to the leaderboard
Guess
Submit selected
Allowed functions
Guesses
Click a guess to preview it.
Leaderboard (today)
Sort: Guesses
Sort: Score