Mental math practice app for interviews

I created a free to use, completely ad-free android app for mental math practicing. I did it because I wanted to practice a little when I am in the bathroom etc. Problems are randomly generated and very similar to the famous rank your brain.(Fraction problems are a little harder). 

Some of you might find it also handy so I wanted to share it. I am not allowed to share links since I am a new user. So you need to search it in the play store with the query "com.erraydin.mentalmath". Then you need to scroll a little to find it. The app name is Mental Math, the developer name is eraydin. 

Disclaimer: I am not gaining any money, nor I ever will from this app. It is just a toy app I mainly built for myself. 


 

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