The Leitner system is a widely used method to efficiently use flashcards that was proposed by the German science journalist Sebastian Leitner. It is a simple implementation of the principle of spaced repetition, where cards are reviewed at increasing interval.

About this program:
This software is a handy and reliable utility designed to enable you to ease your learning process. It can double or even triple your learning rate when learning new languages.

How to use?
This is how it works: you try to recall the solution written on a flashcard. If you succeed, you send the card to the next group by clicking the “true” button. But if you fail, you send it back to the first group by clicking the “false” button.

English packages are from
- Cambridge Preparation for the TOEFL Test
- Cambridge Vocabulary for IELTS
- Barron's Essential Words for the IELTS
- Barron's 504 Absolutely Essential Words
- Barron's 1100 Words You Need to Know

Technical support:
If you have any problems or would like to request a feature, please email me using the info@ehsana.ir address.