Use these flash cards to help learn the knowledge for this section.
In Once Through Mode: The flash cards for a set will be displayed once and running totals of the number you get correct and the number you get wrong will be displayed.
In Perfection Mode: The flash cards for a set will be displayed once and if you are successful with a card it is removed from the pack if not it goes back in the pack.
Choose a start mode to view the first card. In your head consider what you think the answer is. Flip the card. Mark whether you were correct or not and the next card will be displayed.