Khan/khan-exercises — Issue #4508: Adding and subtracting negative numbers - please wait message
Author: KhanBugz
Created: 2011-10-18 00:19:50+00:00
State: open
Labels: ipad, safari

When answering questions, the answer box says please wait and never gets out of that mode. When we try to go back to finish that subject, it doesn't show the questions anymore. Please suggest what is the solution for this issue.
Thanks

[adding_and_subtracting_negative_numbers.html?seed=115&problem=PLUS](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_negative_numbers.html?seed=115&problem=PLUS&debug)

["2"]

Mozilla/5.0 (iPad; U; CPU OS 3_2_1 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B405 Safari/531.21.10

MathJax is loaded, ready, queue length: 0