Khan/khan-exercises — pull request #46000 by arizonat (2013-05-20 04:12:25+00:00)
Title: Addressed issue #45924

Hello,

As this is my first attempt at a pull request, I resolved a small issue. I addressed issue #45924 by modifying the default value from 0 to 1, so a blank value will resolve to 1i rather than 0i.

Thank you,
-Veevee Cai