Simple calculator with some keyboards.

It is easy to calculate with some keyboards and this calculator provides the basic functions for shopping, accounting, engineering etc.


* Features

- Some keyboard that you can change by swipe.
- Beautiful, simple and stylish keyboard design
- Easy to use with large buttons
- Calculation histories
- Memory functions ( CM / RM / M+ / M- / GT )
- Shopping functions (10% OFF / Half price / Tax / VAT etc.)
- Calculation expression
- Percentage calculation
- Backspace to remove the last digit of equation.
- Copy and share equations and results
- Separators to make it easy to recognize numbers
- Option to keep the screen on
- Option to turn on/off vibration on touch



* This is a free version of Calculator.
Ad-free version is also available.
https://play.google.com/store/apps/details?id=com.hardyinfinity.calculator.key