The RANDARRAY function is a "Dynamic array function". RANDARRAY returns an array of random numbers between 0 and 1. The size or the array is determined by rows and columns arguments. When RANDARRAY returns multiple results in a worksheet, results will spill into adjacent cells.
In the example shown, RANDARRAY is used to generate 50 values in a range10 rows by 5 columns. The formula in B4 is:
Note: The RANDARRAY function is a new "Dynamic Array Function" in Excel. It is a beta feature available only through the Office Insiders program. Dynamic Array functions are expected to be released in 2019 to Office 365 subscribers.
The Excel SINGLE function returns a single value using implicit intersection. The SINGLE function is provided for backwards compatibility with implicit intersection formulas in earlier versions of Excel.
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