Double Factorial Calculator in batch

Note:Data should be separated in coma (,), space, tab, or in separated lines.

Number:
   
Double Factorial:
   

In mathematics, Double Factorial denoted by n!!, it is the product of all the odd integers up to some odd positive integer n. Double Factorial also called odd factorial of n.

Double Factorial Formula:

When you want to calculate a group of numbers of double Factorial, Input the number like "2 3 4 5", then click "Calculate" get the result "2 3 8 15". it is 2!! = 2, 3!! = 3, 4!! = 8, 5!! = 15.

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