1001 tasks for mental calc

1001 tasks for mental calc is a app for Android, It's developed by Dwerty author.
First released on google play in 12 years ago and latest version released in 6 months ago.
This app has 209.2K download times on Google play and rated as 4.70 stars with 1,023 rated times.
This product is an app in Education category. More infomartion of 1001 tasks for mental calc on google play