SharePoint Calculated Columns and Validation Formulas: Everything you need to know about SharePoint formulas for SharePoint 2010 to 2019 and SharePoint Online / Office 365 [Smith, Michael T] on Amazon.com. *FREE* shipping on qualifying offers. SharePoint Calculated Columns and Validation Formulas: Everything you need to know about SharePoint formulas for SharePoint 2010 to 2019 and SharePoint Online / Office 365