Khan/khan-exercises — Issue #13280: Midpoint formula - Pen
Author: KhanBugz
Created: 2012-02-07 18:34:53+00:00
State: open
Labels: ipad, other, safari

I can't find the pen to write on the website with

[midpoint_formula.html?seed=86&problem=find-point](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/midpoint_formula.html?seed=86&problem=find-point&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/midpoint_formula.html?seed=86&problem=find-point&debug&activity=%5B%5D)

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Mozilla/5.0 (iPad; CPU OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3

MathJax is loaded, ready, queue length: 0