[bee_rider]

For sure.

I think there are two types of memories, and two types of notes as a result -- there's specific figures where you might only have to remember it for a couple days, and the exact value might be important, so that note/memory's value is very temporal. Then there's the stuff like problem solving strategies, where hopefully that information is integrated into your brain at some deeper level. The former might never be looked at again if it turns out you don't need the figure, the latter might never be looked at if the integration was successful.