Khan/khan-exercises — Issue #9210: Recognizing conic sections - Drawing Pad
Author: KhanBugz
Created: 2011-12-21 20:35:28+00:00
State: open
Labels: firefox, other, scratchpad, xp

Could not find a way to erase things that I had already drawn on the scratchpad. Would recommend adding an erase feature.

[recognizing_conic_sections.html?seed=90&problem=circle](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/recognizing_conic_sections.html?seed=90&problem=circle&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/recognizing_conic_sections.html?seed=90&problem=circle&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 5.1; rv:8.0.1) Gecko/20100101 Firefox/8.0.1

MathJax is loaded, ready, queue length: 0