user friendly this app has saved me lot of time in getting right frequency without hazzle. one improvement, it should rotate with auto rotate. and it doesn't on my phone. even without that this app is very useful for nerds. this one was best out of 2 other which I tried.
555 timer - not a waste of learning Oh the places you'll go when learning how to master the 555.
So easy This makes all my life soooo much easier
Good Love it help me out a lot
Yep Gota love this 555 app.
Good Simple but complete.
If you enjoy this calculator, feel free to consider the <a href = "https://play.google.com/store/apps/details?id=com.foamcoffee.Calc555License">ad-removing license</a>. Ensure you are updated to at least v1.8 before purchase. Thank you!