About 阶乘计算器
计算数字的阶乘
Use this free online 数学工具 tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.
计算数字的阶乘
10!
3628800
Properties
Related Calculations
(n-1)! = 9!
362880
(n+1)! = 11!
39916800
Double Factorial (n!!)
Product of integers from n down to 1, skipping every other
10!! = 3840
Permutations & Combinations
P(n,r) = n!/(n-r)!
60
C(n,r) = n!/(r!(n-r)!)
10
计算数字的阶乘
Use this free online 数学工具 tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.
This tool runs in your browser whenever possible, which keeps your inputs private and reduces unnecessary round-trips to the server.