24-Point Calculator

What Is a 24-Point Calculator?

The 24-point calculator is a math puzzle tool that helps you combine 4 given numbers into 24 using only addition (+), subtraction (-), multiplication (×), and division (÷). It trains mathematical thinking and mental arithmetic, and suits students, math enthusiasts, and puzzle players, as well as classroom or family games.

Game Rules

• Use 4 numbers (usually integers from 1 to 13).
• Each number must be used exactly once.
• Reach 24 through a reasonable order of operations (parentheses allowed).

Usage Example

Given the numbers 4, 5, 6, and 1, one solution is: (5 - (1 ÷ 4)) × 6 = 24.

How to Use the 24-Point Calculator?

1. Enter 4 numbers (1-13) in the four input boxes.
2. Click "Calculate". The program automatically tries all possible combinations and shows every valid solution.
3. Review all expressions that equal 24 in the "Result" area.