What is a Slot?


A slot is a thin opening or groove in something. You can find slots in a lot of things, from mail slots at the post office to the holes on computer motherboards where you install memory processors. A slot is also a term used to describe the mechanism in a slot machine that lines up symbols to form winning combinations. Slots are a casino favourite because they’re fast and easy to play. There’s no need for split second calculations like there is in blackjack or poker and the feeling of winning at slots releases endorphins in your brain which produces a sense of satisfaction.

When you play a slot machine, you put money (or, in “ticket-in, ticket-out” machines, a paper ticket with a barcode) into a designated slot on the machine and activate it by pushing a button or lever. The reels spin and stop to rearrange the symbols, and if a matching combination of symbols is formed, the player earns credits according to the pay table. The pay table is typically aligned to the game theme and will include pictures of all regular paying symbols, alongside their payout values. If the slot has any bonus features, these will also be listed here along with the rules on how to trigger and unlock them.

While early slot machines weighed each symbol differently on the physical reels, modern games use Random Number Generators to make thousands of mathematical calculations per second and determine where the reels will stop. This means that a single symbol may appear on the reels only once every 50 spins, while another will come up more often, or never at all.