How to generate a Random number for a calculated field in SharePoint?

Is there a way to generate a rand开发者_JAVA技巧om number for a calculated field, in a SharePoint list ?

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I don't believe that there is a way to do this within the SharePoint UI.

I would create a SharePoint event for the field that would programatically assign the random number whenever the event is fired (i.e. list item updated, list item created, etc...)