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.

SuperMemo: Tools : Statistics : Analysis : Forgetting Curves graphs for 20 repetition number categories multiplied by 20 A-Factor categories

Figure: The picture shows an exemplary forgetting curve built on the basis of 16,778 repetitions.