I'm looking for this last year but I found this now that it's too late. I dropped my trigo subject.
Paid for premium then there were still ads, But when I messaged them he developer, he sent me an apk.
Best alternative of real calci Amazing....just copy of Casio models in mobile phone. Very easy to use and free from ads...it's fast....love it
The best alternative to any tangible scientific calculator.
Remove ads or make an pro version
No arrow keys tho
New and Improved UI.
Added supportability for Android 6.0.
Excellent scientific calculator with expressions, fractions, repeating decimals.
Loved by thousands of users: Android's top rated and most intuitive calculator