Tennis scoring rules, how to keep score in tennis

Hello Atlanta tennis group and friends, Most of you know the rules of tennis but for those that don't here are the scoring of points in tennis.

If a player(s)in the case of either singles or doubles, wins his first point, the score is called 15 for that player(server gives there score first and are responsible to giving the score after each piont)(scoring goes 15, 30, 40 game); on winning his second point, the score is called 30 for that player; on winning his third point, the score is called 40 for that player, and the fourth point won by a player is scored game for that player except as below:- If both players have won three points, the score is called deuce; and the next point won by a player is scored advantage for that player. If the same player wins the next point, he wins the game; if the other player wins the next point the score is again called deuce; and so on, until a player wins the two points immediately following the score at deuce, when the game is scored for that player.