How Slot Machines Work

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I don't often recommend playing slot machines to new casino gamblers, but I'm also aware that some people are going to gamble on the one-armed bandits regardless of my suggestions.

Slot games have boomed in popularity in recent years, taking the place of more traditional table games, thus knowing how online slot machines work is always beneficial. They are easy to find in many online casinos, very simple and easy to play, and come in all sorts of themes and designs.

And that's okay.

  • Newer slots will require you to know a bit about computer circuitry, but the classics just need a screwdriver, wrench and a magic touch. (OK, you probably need more tools than that.) Watch the videos below to understand how the slot machines work and what's required for common repairs.
  • 'Michael Bluejay's comprehensive explanation of how slot machines work is, in my opinion, the best one out there.' —Gaming the Odds. NOTES: (1) This page covers normal slot machines (aka 'Class III'). Many Native American casinos instead use 'Class II' slots based on bingo or the lottery because local laws don't allow regular slots.
  • How slot machines work – and why you should think twice before playing them September 5, 2018 6.37am EDT Anthony Frederick Lucas, University of Nevada, Las Vegas.

But if you ARE going to play slot machines, at least understand what you're getting into.

If you're a beginner, you should understand the answers to these seven important slot machine questions: https://scape-torrent.mystrikingly.com/blog/harrahs-casino-win-loss-statement.

1 – How Do Slot Machines Actually Work?

Slot machines used to be mechanical games powered by levers, springs, and spinning reels.

Modern slot machines retain the lever and the spinning reels, but they're both just for show, mostly.

Today's real money slots use computer-generated random results and display the reels on the symbols just for show.

You probably want more details than that, though, right? You're probably even hoping for some math.

Here you go:

Random Number Generators

Each symbol on the virtual slot machine reels are programmed to come up a specific percentage of the time. This percentage is the weighting for that symbol. If you have 10 symbols, some of them might be programmed to come up 1/5 of the time, while others might be programmed to only come up 1/20 of the time. The rest might be programmed to come up 1/10 of the time. Red stag casino no deposit bonus 2018.

The computer program generating these results is called a random number generator (RNG). Such a program is constantly cycling through numbers – thousands of numbers per second. Each of those numbers corresponds to the probability of a symbol coming up.

When you pull the lever or hit the spin button on a slot machine, the computer program instantaneously stops on whatever number it was thinking of in that instant.

In fact, the slot machine game knows the outcome before the reels even stop spinning. Black gold slot.

This is close enough to random for anyone except the most bizarre theoretical purist.

Also, each spin of the reels is an independent random event. This means that the combinations don't cycle through on any kind of predictable basis. (Remember, the computer is running through thousands of numbers per second.)

The payouts for the various symbol combinations all have one thing in common:

They pay out at a much lower rate than the odds of getting that combination would warrant.

The total payouts for the machine are always lower than even when compared to what would happen if you hit every possible combination in some theoretically perfect set of slot machine spins.

Examples of Payback Percentages

You might have a combination of three cherries that pays out at 1 for 1 odds – this means you basically have a push situation. You win back what you spent when you made the spin, but you don't make any profit.

If that combination came up 100% of the time, you'd be playing a game where you'd break even forever. You couldn't win or lose.

But a more common probability of hitting that combination might be 20%.

And if you're winning 1 unit 20% of the time, you're looking at a 20% return for that combination.

If that were the only winning combination in the game, the game would have a total payback percentage of 20%. The house edge would be 80%.

Most slot machine games have a payback percentage of around 90% or so, giving the house a 10% edge.
How slot machines work jackpot

That's because they have more winning combinations than that, and in varying amounts.

For example, you might have a 2nd combination of symbols –three plums maybe—that pay off at 2 for 1 odds. The probability of getting that combination might be 10%, which would add 20% more to the payback percentage for the game, giving it a 40% payback percentage total.

To get the payback percentage, you multiply the amount you'd win by the probability of winning. Then you add every possible combination to get an overall percentage.

And that's how modern slot machine math works.

2 – Are Slot Machines Rigged?

Does this mean slot machines are rigged?

Only in a vague sense.

Most people who think slot machines are rigged think that the casino controls when a slot machine pays out so that they can accomplish something nefarious.

https://modelssoft.mystrikingly.com/blog/blueharvest-6-2-2-disable-ds_store-creation-and-more. For example, they think that a slot machine that just paid out won't pay out again for a while so that the game can 'catch up' to its expected payback percentage.

Sorry, that's just not how the games work.

Slot machines don't have to catch up or compensate for payouts. The payback percentages are set up so that it's impossible for the casino to lose money in the long run.

The casinos don't need to cheat, slots are just a lousy bet.

In some casinos, the payback percentage for a slot machine might be as low as 75% or less. A lot of the slots at the airport in Vegas have such low payback percentages.

If you're playing in a local bar in a state where slot machines are illegal, you can probably expect the payback percentage to be over lower. I don't have any official numbers, but the 8-liners that skirt the law in Texas probably have a payback percentage no greater than 60%.

At legit casinos, though, you're looking at payback percentages between 75% and 95%.

3 – How Do You Trick a Slot Machine?

You probably think I'm going to be like most gambling bloggers and say that it's impossible to trick a slot machine.

That's not true, though – you can trick a slot machine.

Just ask Tommy Glenn Carmichael. I'm sure he'll be happy to explain multiple ways he's tricked slot machines over the years. He's one of the most legendary casino cheaters in the world.

He's far from the average gambler – for the average gambler, trying to trick a slot machine is an exercise in futility and silliness.

How Slot Machines Work In A Casino

One tool that Tommy used to trick slot machines into paying out was called the Monkey's Paw. It was a wire device he stuck in the payout chute to press the switch that triggered a payout. Such a device would be obsolete today, but it's just an example.

Don't even try to cheat at slot machines, though – you'll spend time in prison if you get caught.

And you might not get caught your first time, but you won't be able to stop once you start, so you'll have to keep avoiding detection.

It's a lousy bet. You won't get to keep the money, and you'll spend time in prison.

That's not a fair trade at all.

4 – Are There Secrets to Winning on Slot Machines?

No, there are no secrets to winning on slot machines.

I went to a casino in Oklahoma with a lady friend of mine once. She told me her 'secret strategy' for winning on slot machines. She said that she always plays the exact same machine.

She thought that would improve her odds eventually of hitting.

Slot

That's because they have more winning combinations than that, and in varying amounts.

For example, you might have a 2nd combination of symbols –three plums maybe—that pay off at 2 for 1 odds. The probability of getting that combination might be 10%, which would add 20% more to the payback percentage for the game, giving it a 40% payback percentage total.

To get the payback percentage, you multiply the amount you'd win by the probability of winning. Then you add every possible combination to get an overall percentage.

And that's how modern slot machine math works.

2 – Are Slot Machines Rigged?

Does this mean slot machines are rigged?

Only in a vague sense.

Most people who think slot machines are rigged think that the casino controls when a slot machine pays out so that they can accomplish something nefarious.

https://modelssoft.mystrikingly.com/blog/blueharvest-6-2-2-disable-ds_store-creation-and-more. For example, they think that a slot machine that just paid out won't pay out again for a while so that the game can 'catch up' to its expected payback percentage.

Sorry, that's just not how the games work.

Slot machines don't have to catch up or compensate for payouts. The payback percentages are set up so that it's impossible for the casino to lose money in the long run.

The casinos don't need to cheat, slots are just a lousy bet.

In some casinos, the payback percentage for a slot machine might be as low as 75% or less. A lot of the slots at the airport in Vegas have such low payback percentages.

If you're playing in a local bar in a state where slot machines are illegal, you can probably expect the payback percentage to be over lower. I don't have any official numbers, but the 8-liners that skirt the law in Texas probably have a payback percentage no greater than 60%.

At legit casinos, though, you're looking at payback percentages between 75% and 95%.

3 – How Do You Trick a Slot Machine?

You probably think I'm going to be like most gambling bloggers and say that it's impossible to trick a slot machine.

That's not true, though – you can trick a slot machine.

Just ask Tommy Glenn Carmichael. I'm sure he'll be happy to explain multiple ways he's tricked slot machines over the years. He's one of the most legendary casino cheaters in the world.

He's far from the average gambler – for the average gambler, trying to trick a slot machine is an exercise in futility and silliness.

How Slot Machines Work In A Casino

One tool that Tommy used to trick slot machines into paying out was called the Monkey's Paw. It was a wire device he stuck in the payout chute to press the switch that triggered a payout. Such a device would be obsolete today, but it's just an example.

Don't even try to cheat at slot machines, though – you'll spend time in prison if you get caught.

And you might not get caught your first time, but you won't be able to stop once you start, so you'll have to keep avoiding detection.

It's a lousy bet. You won't get to keep the money, and you'll spend time in prison.

That's not a fair trade at all.

4 – Are There Secrets to Winning on Slot Machines?

No, there are no secrets to winning on slot machines.

I went to a casino in Oklahoma with a lady friend of mine once. She told me her 'secret strategy' for winning on slot machines. She said that she always plays the exact same machine.

She thought that would improve her odds eventually of hitting.

If you play slot machines long enough, sure, you'll eventually hit a winning combination. In fact, you'll win on a regular basis as long as you play on a regular basis. But the math of the game is set up so that it's impossible to generate a profit for these wins.

It's like the guy who sells the 'winning the lottery' system who claims he's won the lottery seven times. His big secret?

Buy lots of lottery tickets.

He reveals how much money he's won, but he never reveals how much he spent on the lottery tickets to win that amount.

I'd be willing to get my pickup truck that he's operating at a serious loss.

So, no – the only secret to winning at slot machines is to keep spinning the reels.

5 – How Do Progressive Slots Work?

Winpalace no deposit. Progressive slots are the slot machine games with the jackpot tickers on top that show an ever-increasing jackpot.

How can such games afford such large jackpots?

If the jackpots get large enough, won't the games eventually become a profitable proposition for the slot machine player?

How Slot Machines Work Youtube

First question answered first – such games can afford such large jackpots because they take a tiny percentage from each spin to fuel that jackpot. It might be as low as 0.5% or 1%, but it counts against the payback percentage from the game.

Second question answered – yes, if the jackpot gets big enough, the game becomes a positive expectation bet.

But that's not a practical reason to play it. If the odds are 1 in 10 million of hitting the progressive jackpot, you'll have to play for 20,000 hours to hit that jackpot (on average).

That's the equivalent of working a full-time job for 10 years straight. By that time, someone else will have hit the jackpot, and it will have gone back to its original value – which is NOT a positive expectation bet.

Also, it's impossible for you to know when the jackpot has gotten high enough because you don't know what the probability of hitting the various jackpots and other prizes on the game are.

Slot machines are essentially opaque – you don't know what probabilities the symbol combinations have programmed to them.

6 – How Do You Find Loose Slot Machines?

Ignore all the well-intentioned advice on the internet about how slot machine managers place the loosest machines in specific locations in the casinos to try to lure gamblers to play the slots. This advice is universally lousy. Www casino slots.

How Slot Machines Work Jackpot

You have no way of knowing which slot machines are loose versus tight. They don't change based on anything that you can practically observe.

The best thing you can do is follow some practical guidelines about how to choose slot machines that probably have a better payback percentage than others.

For example, avoiding progressive slots and playing games with a flat top prize is a good idea.

Playing games which have no special bonus features is also a good idea. How do you edit a pdf in preview.

The more bells and whistles a slot machine game has, the worse the payback percentage tends to be.

But forget all about the idea that some slot machines are loose or tight for various conditions and reasons.

That's just not how it works.

7 – Are Casino Slots Intelligent?

This question stems from the idea that a slot machine somehow knows what its payback percentage is supposed to be, and then, when it pays out a big jackpot, it adjusts by 'tightening up' until it catches up to that theoretical percentage.

The answer is no, slot machines are not intelligent. That's just now how they work. Their edge comes from the difference between the payouts for winning and the odds of winning those prizes.

Every spin of the reels is independent of the spin before it. If the probability of hitting the top jackpot on the machine is 1 in 4000, it's 1 in 4000 on every spin regardless of what happened on the previous spin.

If you hit a jackpot, then spin the reels again, the probability of hitting the jackpot again is still 1 in 4000.

How To Play Slot Machines

Conclusion

Slot machines, generally, are a lousy bet. There's no skill element, and you really have no way of knowing how good or bad one slot machine is compared to the next one.

In fact, you can have two identical slot machines sitting adjacent to each other, and they might have entirely different payback percentages based on their programming.

But, if you're going to play slots, at least you're now educated on how they work and you have the answers to the most important slot machine questions.

Owning a vintage slot machine is one of those fun yet daunting ideas. Many old school one-armed bandits are beautifully designed and instant conversation pieces. Plus slot fans who own a machine don't ever have to worry about losing money to the house.

Still, most antique machinery breaks down or wears out eventually and finding a repair person who knows how to fix a piece of equipment that's over 50 years old can be tough. Thankfully, antique slot machine enthusiasts have figured out how to use the internet and uploaded plenty of great information about repairing these mechanical marvels.
Newer slots will require you to know a bit about computer circuitry, but the classics just need a screwdriver, wrench and a magic touch. (OK, you probably need more tools than that.) Watch the videos below to understand how the slot machines work and what's required for common repairs. Even if you're not ready to plunk down a grand or more for a classic slot machine, you'll probably get a kick out of understanding what makes those coin swallowers tick. If you want to quickly itch your scratch for playing slots, you can also check out an online casino likeRoyal Vegas Online Slots. Finally, enthusiasts who are serious about buying a vintage machine may want to take a look at the Antique Slot Machine Pricing Guide.

Charles August Fey, a Bavaria-born inventor, was living in San Francisco when he invented his first gambling machine in 1984. His games grew to be so popular at local bars, he quit his day job and opened a factory to start mass producing them, most notably the Liberty Bell machines in 1899. A lot of the functionality from that early game remained in place through much of the 20th century. Watch this video to see the seven mechanical actions set into motion when you pull back the bandit's arm. The inner workings are probably a little more complex than you expect.


Given that a lot of old slot machines are hand built, it isn't surprising that coins can get jammed on their way through the mechanism. Big warning: If your machine jams, don't force the arm or you can break, twist or damage a part inside. Different models and makes tend to have common jam points. The Mills model shown in the above video can have coins stuck in the 'elevator' section that displays the last five coins dropped into the machine. Getting the slot working again can be as simple as cleaning the gunk off of an old part. You just need to be smart when you're disassembling and reassembling the machinery.

Okay, there are plenty of more places where a coin can get stuck and the above video demonstrates how to fix a variety of jams. It also explains how to disassemble the major parts of the machine and where common problem areas are.

Curious how an antique slot machine knows how much money a winner gets? This video shows the punch-card like communication that trips payouts and how. If you ever need to replace the reel symbols or calibrate the machine you'll need to understand how these work. Even if you don't ever plan on owning a machine, the metallic 'circuitry' is interesting to see.

Want to own a modern slot machine? New ones have plenty more bells, whistles and dings, and also a lot more advanced parts. If you plan on getting one, you may want to have an idea of what's inside. In addition to the classic reels, there are speakers, motherboards filled with programming chips and plenty of wires. Unless you have a way with a soldering iron you probably won't try and fix it. But in case you do, here's a clip from Discovery showing what's inside.

Did you know newer slot machines are smart enough to test themselves when a problem happens? This video shows you the procedure for having the machine check its own system. The host's desert dry delivery is also enough to make this vid worth a watch.





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