Do I isolate if I live with someone who has Covid and when should I do a PCR test? Self-isolating is one of the ways the UK is tackling the virus ( Image: Getty Images/iStockphoto) By ...

How to Isolate a Value in Excel. Isolating values in an Excel 2007/2010 worksheet or workbook is common in both error-checking and data analysis tasks. While appropriate even for a small worksheet ...