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 ...

It’s something from nothing. A random number generator that harnesses the quantum fluctuations in empty space could soon sit inside your computer. A device that creates truly random numbers is vital ...

Java has a "Random" class that lets you generate a random number you use to implement calculations in your Java source code. You use this library to generate a random number and insert the number into ...

Randomness is incredibly useful. People often draw straws, throw dice or flip coins to make fair choices. Random numbers can enable auditors to make completely unbiased selections. Randomness is also ...

Behind every coincidence lies a plan -- in the world of classical physics, at least. In principle, every event, including the fall of dice or the outcome of a game of roulette, can be explained in ...

We think of random numbers as being somehow arbitrary and unknowable in advance. Mathematically, a given string of numbers is random if there is no shorter way to express the string than the string ...

To simulate chance occurrences, a computer can’t literally toss a coin or roll a die. Instead, it relies on special numerical recipes for generating strings of shuffled digits that pass for random ...