Flip 7 Calculator

Calculate your fail probability

Game Rules:
• Deck has cards 0-12
• Card 0 appears 1 time
• Cards 1-12 appear that many times (e.g., card 7 appears 7 times)
• You lose if you draw a duplicate card

Current Hand (comma-separated)

Enter card numbers from 0 to 12, separated by commas.

Fail Probability