Question 1

What is the SM-2 algorithm?

Accepted Answer

SM-2 calculates optimal review intervals based on your performance. Items you recall easily get longer intervals; items you forget get shorter ones.

Question 2

How long until I see results?

Accepted Answer

You'll notice improved recall within 1-2 weeks. The real power shows over months as material stays in long-term memory.

Question 3

Should I review every day?

Accepted Answer

Yes, daily review is ideal. Even 5-10 minutes per day is enough to maintain the spaced repetition schedule.

Question 4

Can I use this for any subject?

Accepted Answer

Spaced repetition works for any subject that requires memorization: vocabulary, concepts, facts, formulas, legal rules, medical terminology, etc.