4 ms·
5min video explaining it: https://youtu.be/DoQoeK53bP8 https://youtu.be/DoQoeK53bP8 or: https://www.supermemo.com/de/archives1990-2015/help/read https://www.su
by Silverback_VII 4y ago
5min video explaining it:
https://youtu.be/DoQoeK53bP8 https://youtu.be/DoQoeK53bP8
or:
https://www.supermemo.com/de/archives1990-2015/help/read https://www.supermemo.com/de/archives1990-2015/help/read