The download of this application doesn't contain viruses or any kind of malware. HypatiaMat is the official developer of the app which can be found in the Educational category. Google Play displays that Calculus is rated 5 by its users.
The tool has been downloaded and installed by over 1K users and the latest update was released on Nov 18, 2017. Adverts are a part of this application. Download the installer of Calculus 0.7 at no cost and have a look at users' reviews on Droid Informer. The app works flawlessly on Android 2.3 and above.