Calculator - Scientific Cal+

Smart Calculator is more than simple 4 function calculator, with a panel that has more advanced functions when you need them. It includes history, real time graphing, base conversion, and more. It also comes with a lockscreen widget, a floating calculator, and a wear app so you can use whichever is most convenient.
The goal is a simple and uncluttered calculator.
Universal free, every day use calculator with scientific features. One of top.
Good for simple and advanced calculations!
* Math expressions calculation (developed on RPN-algorithm but no RPN-calculators' kind UI!)
* Percentages (calculation discount, tax, tip and other)
* Radix mode (HEX/BIN/OCT)
* Time calculation (two modes)
* Trigonometric functions. Radians and degrees with DMS feature (Degree-Minute-Second)
* Logarithmic and other functions
* Calculation history and memory
* Digit grouping
* Cool color themes (skins)
* Large buttons
* Modern, easy and very user friendly UI
* Very customizable!
* Choose your own theme
* Very small size of apk
* More features will be added. Stay in touch! :). Do not forget to rate/ review the App.