"The mathematical probability of something happening is its true odds. Casinos maintain their advantage by paying players less than the true odds of their wins."

"Slot machines have been around since 1887 when San Francisco inventor Charles Fey built a machine featuring three wheels decorated with symbols like diamonds, hearts, and bells, which triggered the jackpot."

"Casinos issue dollar slot tokens for the same reason, they don't seem like real money. But of course they are worth a dollar and you should always think about them like real dollars, not tokens."

"Every reel on a slot machine has a certain number of stops which contain either symbols or nothing. While machines with physical reels usually have 22 stops, virtual slot machines can have hundreds of stops."

"Two different roulette wheels exist: European wheels which have 36 numbers plus a single zero and a house edge of 2.63% and American wheels which have a zero and double-zero and a 5.26% casino edge."