Duel calculator for OCG! Auto-completion of digits enables input with minimum tap operation. It also has a log function. Life point changes are automatically noted. In addition, you can use undo/redo function with the arrow buttons on the bottom of log screen. No more careless miscalculations. After entering and calculating numbers with the calculator, you can manipulate values by pressing the "Damage", "Recovery", and "Set" buttons on the player's side to control life point. You can e