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

You square a number when you multiply it by itself: 5 squared is 25, since 5 x 5 = 25. Reverse the process to find square roots. The square root of 25 is 5.

A VoIP call is a phone call made over the internet rather than traditional phone lines. Yes, you can trace it—learn how to find the owner of a VoIP number.