Guides & articles
Clear, practical explainers about randomness, probability and how to use each generator well.

True Random vs Pseudo-Random Numbers
Most 'random' numbers on a computer come from a formula. How pseudo-random generators differ from true randomness, and when it matters.

How to Run a Fair Raffle or Giveaway
A giveaway is only worth entering if the draw is fair. How to collect entries, pick winners without bias, and prove the result.

Dice Probabilities Every Gamer Should Know
Why 7 comes up most on two dice, what 'bell curve' really means for your rolls, and how advantage and modifiers shift the odds in tabletop games.

How Strong Is Your Password? Entropy Explained
Password strength is not about weird symbols — it is entropy, measured in bits. What that means, how to estimate it, why length wins.

What Is a UUID and When Should You Use One?
UUIDs let independent systems mint unique IDs without coordinating. What the 128 bits mean, why version 4 is everywhere, when to skip it.

Coin Flips, Streaks and the Gambler's Fallacy
After five heads, is tails 'due'? No. Why a fair coin has no memory, why streaks are normal, and how the law of large numbers works.