* It is colorful and well-designed, suitable for daily use, school, shopping etc.

* We can: add, subtract, multiply, divide, do power calculation and do percentage calculation.

* Button and result display is big so it is easy to see and easy to use.

* It produces high precision result because the result is more than 12 digits.

* It produces result instantly without even pressing equal button.

* There is a history storing what you calculated.

* There is no ads at all.

* It is a cool, beautiful calculator.