Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.

Offers spaced-repetition algorithms according to Leitner and SuperMemo-2 and teacher functions to give bonus for repetitive learning.