Does Photo Math App Work When Problem is on a Screen? [VIDEO]

Visit NBCNews.com for breaking news, world news, and news about the economy

Notice how that video is the proper size for this website?

Thanks Photo Math!
Photo Math is a new app that solves math problems after the user simply shows them to the phone. There is one kicker. It doesn't work for handwritten problems. So, problems from a book or that have been typed out on a page are fine.
I don't print if I don't have to, so I was wondering if I could just type my math problems onto a doc and have Photo Math work them out. The results are in this video.