Arithmetic playground

Build your puzzle

Choose your numbers and a target. Every number is used exactly once.

Solutions workspace

Find a way to your target.

Ready

Start with 1, 3, 4 and 6, or enter your own puzzle.

Small numbers. Many possibilities.

Explore the 24 game, try more numbers, or invent your own challenge.

Up to 100 distinct representative expressions, ordered by distance and then simplicity. Large searches stop at the time or resource limit; a partial search can miss better solutions. Calculations use floating-point arithmetic and finite real results.