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Slot machines are more fun when you understand what’s going on with the game. If you don’t know what the slot machine symbols mean, and if you don’t know what it takes to get a winning combination, you might as well just play rocks scissors and paper with some stranger.

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The purpose of this post is to take a detailed look at some of the inner workings of slot machines, especially as it relates to the slot machine symbols most commonly in use.

The traditions behind why slot machines use bar and fruit symbols are decades old, and the history of slot machines is fascinating all by itself.

In this post, I explain what the different slot machine icons mean and why it matters to the average player.

1-What Does the Bar Symbol Mean on a Slot Machine?

Slot machines have been around since the 1890s. You’d find these early slot machine games in bars and taverns in cities like New York and San Francisco. When gambling became illegal, these businesses started giving away candy and chewing gum instead of money.

Imagine going into a bar today and putting money into a slot machine with the opportunity to win a free drink or a cigar.

That’s what gambling in a tavern was like in the 1890s.

What does the bar symbol mean?

Think about what it looks like.

It’s a rectangle, right?

My first guess would be that the bar symbol on a slot machine symbolized a candy bar, but that would be too big. After all, keep in mind that the idea was to have prizes that were small, like coins.

The bar symbols on slot machines represent sticks of chewing gum — specifically, BAR chewing gum. (It was a popular brand of the Bell-Fruit Gum Company at the time.) They were in color in those days, and different colors meant different flavors of gum.

Slot machine makers still use bar symbols out of tradition, even though I’ve never seen a slot machine game that offers gum as a prize.

2- What Do the Fruit Symbols Mean on a Slot Machine?

Just as the bar symbol meant you were going to win chewing gum, the various flavors of fruit-inspired candy were prizes you could win. Cherry symbols meant winning cherry-flavored candy.

Apples meant winning apple-flavored candy. Oranges and plums, well… They meant you won dragonfruit and huckleberry flavored candy.

Just kidding.

Obviously, the picture of the fruit in question represented the flavor of candy you won.

And, again, the reason these symbols are still in use have more to do with tradition than anything else. People are just used to seeing these symbols on these games.

3- How Many Different Symbols Are There on a Slot Machine?

An average slot machine game might have about 20 symbols on each reel. This does NOT imply that each symbol has a 1/20 probability of coming up on a spin, though.

Modern slot machines use a random number generator to determine their results. These are actually random — they’re not fixed or rigged in any way.

The casino makes its money because the prize schedule for a slot machine game pays prizes in such a way that the game is inherently profitable.

Think about it this way:

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Suppose you played a casino game where you had a 1 in 600 probability of winning, but when you won, you only got a payout of 500 to 1.

Do you see how that would be profitable for the casino?

You’d lose $1 on 599 spins, but you’d win $500 on the one spin, for a net loss of $99.

Such a game would have a house edge of around 17%, on average.

The payouts on a slot machine game are more complicated than that, but it’s the same principle.

4- What Are the Odds of Winning on a Slot Machine?

Here’s the thing about slot machines:

You don’t know what the odds of winning are.

And, to an extent, the odds of winning are irrelevant. What you’re really concerned about is the payback percentage.

That’s a ratio that compares the odds of winning with the amount you win. Over time, it represents the long-term average of how much money the casino will win from you on each bet.

Most slot machines have a hit ratio of about 1 in 3 or 1 in 4.

So it’s fair to see that on most slot machines, your odds of winning something are 3 to 1 or 2 to 1.

The problem is that the payouts aren’t commensurate with these odds of winning.

Also, slot machines pay off bets on an X for Y basis rather than an X to Y basis.

In blackjack, your payouts are in addition to what you risked. Bet $5 on a blackjack hand and win, and you get a 1 to 1 payout, or even money. You get your $5 bet back with $5 in winnings.

Gambling machines, though, pay back with odds on a 1 “for” 1 basis. Bet $5 on a spin of the slot machine reels, and you get $5 in winning in exchange for your $5 bet.

The machine acts like it’s a win, but the reality is that it’s a push.

This is also one of the reasons slot machines measure their odds using payback percentage rather than house edge.

When a slot machine game has a 90% payback percentage, it means that on average you get back 90% of each bet. Place a $5 bet, and you’ll get an average of $4.50 back over time — which means you’ll lose 50 cents per bet on average.

And that’s just the average including any jackpots you win. If you play in the short-term and don’t see a jackpot, you’ll usually see a lower payback percentage until you get some winnings and catch up.

5- Which Slot Machine Has the Best Payout?

How do you know which slot machine has the best payout?

The short answer to this question is easy enough:

You don’t.

You have NO WAY of knowing which machine has better payouts than the other machines. In fact, you can play an identical slot machine next to the one you started on and be facing a different payback percentage.

The casinos have no rhyme or reason in terms of where they place the higher and lower payout machines.

In the long run, it doesn’t even really matter. If you play a negative expectation game long enough — and slots are ALWAYS a negative expectation game — you’ll eventually lose all your money.

Stop worrying about which slot machine has the best payout.

Worry instead about how much fun you’re having — or not. If you don’t enjoy a specific game, move on to another game.

6- Why Are They Called “Slot” Machines?

They’re called slot machines because you put your money into a slot to play.

When they were first invented, slot machines only worked on a literal coin-in and coin-out basis.

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Now, of course, most slot machines work by accepting bills and spitting out a piece of paper with the amount you’re owed on it.

But we haven’t changed the name of the games.

Also, it’s not called a slot machine in other countries, always. In the United Kingdom, they’re called fruit machines. In Australia, they’re called “pokies,” which is short for poker machines.

That last nomenclature comes from their original nature — the first slot machines, which predated the machines that gave away candy — used playing cards to produce random results instead of symbols on metal reels.

7- Who Invented the Slot Machine?

According to the Encyclopedia Brittanica, as well as many other legitimate sources, Charles Fey invented the first slot machines.

He born in Bavaria but was making his living as a mechanic in San Francisco when he invented slot machines in 1894. It didn’t take long for him to be doing so well that he started a factor to produce more slot machines.

The first 3-reel slot machine with machine-generated payouts in real money was invented in 1898, also by Charles Fey. The Liberty Bell, which most modern slot players would recognize as a real slot machine, came along in 1899 — another Fey invention.

There are only 4 Liberty Bell machines still extant.

Also, it didn’t take long for other companies, like the Mills Novelty Company, to steal Fey’s invention and start making money from their own versions of it.

Finally

Those are the most accurate and concise answers to some of the most common questions about slot machines and their symbols on the internet.

What other questions do you have besides what do the symbols mean?

Leave me a note in the comments, and I’ll respond with an answer if I can.

The slot machine icons slot machine jackpots at casinos have a great history to slot machine jackpot collector’s items. The icons dates back to when slot machine games first originated in Atlantic City, New Jersey during the 1940s. Slots were being used as a way to pay for food, drinks and gambling. In fact, Atlantic City was actually the first city to legally set up and regulate live casinos. Slot machine icons have come a long way from that first black and white machine to the colorful, animated icons we use today.

The original icons had only four colors – red, blue, green, and purple. Black on white was very difficult to accomplish on the early slots. Only a few hotels and salons offered black on white or a combination of the two colors. To some, the only way they would play was to get lucky. Most likely, they were playing roulette, a popular black and white slot machine.

With the development of more complex technology and software, icon dates back to the introduction of Direct Bank Casinos which offered slot machines using electronic random access memory. The change to chips linked with magnetic reels gave way to the push-tabling of slots. The changes to progressive jackpots allowed for more customization in payouts. Slot machine icons date back to this time and often show graphics similar to today’s familiar icons. Many of these early icons are similar to the ones we use today such as the icons of the casino and a circle showing the win amount.

Over the years slot machine icons have changed somewhat but remain mostly the same. We use the familiar slot machine icons that are easy to recognize and identify. The graphics have not changed much but the colors have subtly varied. This has been done so that the player does not get confused when trying to identify one particular icon from another.

Today slot machine software and graphics have advanced to the point that even the old style icons can be seen. Some websites are devoted to offering images of popular icons from various slot machines throughout the years. Even retro icons can be found in many of these sites.

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Icons that are associated with any particular game can be traced back to the origins of the game and its earliest form. Slots were originally a game of luck and chance. The first slot machine games were not known for their creativity or originality. However, as time went on and casinos started to appear, many different symbols were used to represent the game. Over the years, icons date back to when slot machines first began to appear in the early 1800s.

Today, the icons that appear on machines are important to the casino game. Slots are a form of game design that is dependent on random chance is something that can’t be exacted. When you place your money in a slot machine the game gives you just a small chance of winning big jackpots. The icons on the machine to give the players an idea of what is coming up next. They are also used to notify the players about the payouts of the machines.

Today, when you look at machine icons on your screen in the casino you are seeing icons that date back to the earliest times. These are not the icons that you would associate with today’s slot machines. There is no mistaking the symbols that are associated with casino games. They are a part of the fun and excitement that make casino games so much fun to play.