The popularity of video poker has increased tremendously in the last few years. This is because video poker gives a player a chance to use skill instead of just inserting coins and pulling the handle. The advantage of playing video poker is that a player can determine the "Expected Return" (ER) of a machine by looking at the pay table on the front of the machine. By knowing how to read a pay table you can make sure you are playing the machine with the best return. Here is a look at the pay tables of the popular Jacks or better machines and how they affect that return percentage of the game.