I see it too, also happens on My Colony 0.49.0. Do not yet know the cause. It's always interesting how math can work differently from one browser to the next :-/
Ape Apps, LLC is an independent software development company founded in 2010 by Brandon Stecklein. Over the years, Ape Apps has published over 400 apps and games across various platforms. You can get in touch with Brandon on Twitter or by leaving a post on his wall @bastecklein