His lecture is titled: "Why Does Nature Like The Square Root of Negative One?" Here's the conundrum: The square root of negative one is an "imaginary'"number, a number that exists, but it is not a ...

Like negative numbers, the idea of the square root of a negative number was initially regarded as an impossibility, as negative numbers are not the square of anything.

Here are 3 easy ways to calculate the square root of a number in Microsoft Excel - using SQRT function, POWER function and Exponential formula.