Oblivion begins 10 minutes after learning, After 1 hour, 50% of the learning volume is erased, It is said that after a month, most of them cannot be remembered. There is only one, consistent repetition to overcome this oblivion. The review app will help you with that repetition. Wasn't it hard to add a review schedule to the planner? In the review application, 3 days later, 10 days later, 50 days later, 500 days later with one click !!! You can make a review cycle on the date you want. I don't