The application contains tasks from book 1001 tasks for mental calc ulation" by S. A. Rachinskiy. Language: Russian.
Dwerty is the creator of the app which is related to the Educational category. Over 100K users set up 1001 tasks for mental calc and the most recent update was released on Jan 23, 2019. The average rating for the tool is 4.7 on Google Play.
There are adverts in this application. Take the opportunity to download the installation package of 1001 tasks for mental calc 3.0 for free and check out users' reviews on Droid Informer. The app is designed for Android 4.0 and above. This download is completely safe.