These algorithms have different purposes but are primarily implemented to prevent players from cheating or manipulating the system in any way. The most common type of algorithm casinos use online is a Random Number Generator (RNG).This generates random numbers which determine the outcome of each game.
About Algorithms\n\n The slots depend on the random number generator or RNG. RNG creates random spins and combinations without using previously-stored memory to prevent the same winning combinations and generates different results each time the reels are spun.