Learn how to find the square and square root of a number or digit in Excel. Use formula calculate the square and square root.

Square root days happen only a few times in a century, and the man who brought the day fame is celebrating his sixth one.

Square root days happen only a few times in a century, and the man who brought the day fame is celebrating his sixth one.

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.

Square root days happen only a few times in a century, and the man who brought the day fame is celebrating his sixth one.

Square root days happen only a few times in a century, and the man who brought the day fame is celebrating his sixth one.