SuperMemo for DOS

SuperMemo for DOS was the first line of SuperMemo software developed in the years 1987-1991. It started from SuperMemo 1.0 for DOS in 1987, and ended with SuperMemo 6.0 in 1991. SuperMemo for DOS was later rewritten to run in Windows (1992). SuperMemo for DOS was the first application based on spaced repetition. It used Algorithm SM-2 that is still used in many learning applications worldwide.

For details see: SuperMemo 1.0 for DOS (1987)

This glossary entry is used to explain "History of spaced repetition" by Piotr Wozniak (June 2018)

SuperMemo 1.0 for DOS (1987)

Figure: SuperMemo 1.0 for DOS (1987) was the first computer application of spaced repetition. It introduced Algorithm SM-2 that remains popular three decades later