Poker calculators are algorithms which through probabilistic or statistical means derive a player's chance of winning, losing, or tying a poker hand.
Winning ratio is defined as, the number of games won divided by the total number of games simulated in a Monte Carlo simulation for a specific player.
A poker advantage calculator calculates a player's winning ratio and normalizes the winning ratio relative to the number of players.
An advantage calculator, provides a normalized value between -100% and +100% describing a player's winning change in a locked domain.
Poker relative calculators tend to be displayed on poker tournaments and shows for an audience because they provide an accurate assessment of a player's winning chance.