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

Some essential square roots are better memorised When tackling square roots of complex numbers in an exam, knowing some key square roots in advance can save both time and effort. Memorising ...

But why Square’s hardware remains unencrypted remains a mystery, and is leaving a significant security hole in its system. Major competitor Verifone pointed this concern out earlier this year ...