In the most slot machines the payouts are basically depends on the value of coin (chip) selected by players for gaming. This chip determines the percentage of house take. If the percentage payout is 90% this means that in the long run, the machine will pay out $90 out of every $100. The other $10 is the house take. Slot machines are also available in online casinos also.

It goes through periods where it pays above the average and periods where it pays below the average. These periods can be referred to as a pay cycle and a take cycle. During the pay cycle, the machine may payout many large amounts. This pattern is common in most land based and online casino.