3 ms·
Maybe: "Spaced Repetition System"? http://en.wikipedia.org/wiki/Spaced_repetition http://en.wikipedia.org/wiki/Spaced_repetition
by calpaterson 15y ago
Maybe: "Spaced Repetition System"?
http://en.wikipedia.org/wiki/Spaced_repetition http://en.wikipedia.org/wiki/Spaced_repetition