It's safe to download this application. Bernd Herzog is the creator of the app that belongs to the Tools category. Unwahrscheinlichkeitsrechner has been downloaded and set up by over 50 users and its most recent release is dated Jun 6, 2013.
Google Play shows that this application is rated 2.1 by its users. You are able to get the setup package of Unwahrscheinlichkeitsrechner 1.0.2 for free and have a look at users' reviews on Droid Informer. The app requires Android 3.0 and higher.