Just look at an image search for "spaced repetition" and you can create it from the graphs you see. Essentially you're creating a set of reminders/events with

Just look at an image search for "spaced repetition" and you can create it from the graphs you see. Essentially you're creating a set of reminders/events with linear or exponential spacing between. A common pattern appears to be 1, 3, and 6 days after first learning, which is also 1, 2, and 3 days apart from each other.