Paid for premium then there were still ads, But when I messaged them he developer, he sent me an apk.
I'm looking for this last year but I found this now that it's too late. I dropped my trigo subject.
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
Trigonometric funtions well represented & history well implemented
New and Improved UI.
Added supportability for Android 6.0.
This application supports the calculation for simple and complex formulas.