Excel provides three functions for generating random values: RAND(), RANDARRAY(), and RANDBETWEEN(), but there’s no comparable function for generating random letters. The truth is, most of won’t need ...

How to generate random numbers with no duplicates in Excel Your email has been sent Over the last few months, I’ve written about several of Excel’s new dynamic array functions. They’re powerful and ...

Researchers have built the fastest random-number generator ever made, using a simple laser. It exploits fluctuations in the intensity of light to generate randomness—a coveted resource in applications ...