Calculating 24

Initializing live version
Download to Desktop

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.

The rule is simple: pick any four cards and try to get a result of 24 from the numbers on the cards, using only the four basic arithmetic operations: addition (+), subtraction (-), multiplication (*), and division (/).


Jack (J), Queen (Q), King (K), and Ace (A) represent 11, 12, 13, and 1 respectively.

For example, given numbers 2, 3, 5 and 8, we can get such an expression: .

This Demonstration tries to find all distinct answers for four given cards.


Contributed by: Xiangdong Wen (March 2011)
Open content licensed under CC BY-NC-SA




Feedback (field required)
Email (field required) Name
Occupation Organization
Note: Your message & contact information may be shared with the author of any specific Demonstration for which you give feedback.