Glossary:Forgetting curve
forgetting curve - a graph in SuperMemo that shows how fast the memorized information gets forgotten. A forgetting curve graph shows time on its X axis, and percent recall on its Y axis. It can be viewed with Tools : Statistics : Analysis : Forgetting curves. SuperMemo collects 400 forgetting curves for 20 levels of knowledge difficulty and 20 levels of memory strength.
The picture shows an exemplary forgetting curve built on the basis of 16,778 repetitions:
