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Excel FactDouble Function – Return Double Factorial of Number

Excel FactDouble function is used to returns the double factorial of given positive number. The FactDouble function in Excel is located in the Math & Trig category. The double factorial of any positive number is equal to 6*4*2…. number, while for any negative number is equal to 5*3*1.. If you need to quickly calculate double factorial of any large even or odd number then you can use Excel FactDouble function in active worksheet. In this article we have to describe the formula and how to use Excel FactDouble function. Read More