This May marks the only time a calendar has a Square Root Day in a 20-year span, with the last one being on April 4, 2016 and the next one on June 6, 2036. In fact, the day is so rare that it only ...

To find the square root of a number in Excel, we use ‘(1/2)’ as the exponent. So, if we have the number in cell ‘B2’ then, B2^(1/2) gives square root of a number available in cell B2.