As you've likely seen, Brainscape allows you to select a Deck of flashcards to study, and presents you those flashcards in a pattern scientifically optimized to help you learn faster and remember for longer, based on your self-rated confidence ratings.
However, the default study mode on our website is actually a "Study Mix," which allows you to study a blend the cards from the decks to which you have access by clicking the big blue "Start Studying" or "Continue Studying" button for each class.
Note: You may also select (or de-select) individual decks to change what you will study in your "Study Mix." To do this, just check or uncheck the decks selected to the left of each deck name.
You also have the choice of making your Study Mix "Progressive" or "Random." A "Progressive" mix will select cards from the decks in the order in which they appear. You'll have to master most of the cards in deck 1 before you'll start to see cards from deck 2 (and so on).
In a "Random" mix, cards will be selected randomly from across the decks in the Study Mix.
For now, in the iOS app you can execute a Random Study Mix of all the decks in a given class. But the full functionality of the website Study Mix feature is not available yet in the iOs or Android apps. In the future, we will add this feature to the apps ASAP. We also will be excited to allow you to create a Study Mix that goes across more than one class as well.