Khan/khan-exercises — Issue #6888: Multiplying radicals - Rate of Atrophy
Author: KhanBugz
Created: 2011-11-22 06:28:05+00:00
State: open
Labels: firefox, hard, vista

Reporter: supergaren@gmail.com

Hi,

What is the formula for learned exercise decay? I log in almost daily and I'm constantly having to refresh even the most simple arithmetic practices.

Thanks

[multiplying_radicals.html?seed=18&problem=simplify](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/multiplying_radicals.html?seed=18&problem=simplify&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/multiplying_radicals.html?seed=18&problem=simplify&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 6.0; WOW64; rv:8.0) Gecko/20100101 Firefox/8.0

MathJax is loaded, ready, queue length: 0