Stackz (Dictionary Edition) 

The Stackz flashcard visualization concept helps to keep the overview over a large amount of words to be learned. The cards are graphically distributed according to the two characteristics 'mastery level' and 'date of the last mastery'.
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Stackz (Standard Edition) 

The Stackz flashcard visualization concept helps to keep the overview over a large amount of words to be learned. The cards are graphically distributed according to the two characteristics 'mastery level' and 'date of the last mastery'.
flashcards vocabulary learn learning