- Each guess must be a valid 12-character equation that equals today's target number.
- Use digits 0-9 and the operators + − × ÷ with one equals sign.
- The color of the tiles will change to show how close your guess was to the hidden equation.
- Standard order of operations applies: × and ÷ before + and −.
- Division must be exact (no remainders).
- A new puzzle is released every day at midnight.
Examples
1 is in the equation and in the correct spot.
+ is in the equation but in the wrong spot.
0 is not in the equation in any spot.