Quick Calculator - PRO 1.0

It is a simple but highly functional calculator application.
It has the following functions.
· Basic calculation
· Memory (Multi Memory Management)
· History (using local application · SNS / mail sharing)
· Scientific calculator (mathematics / scientific calculation)
· Business calculation (tax rate, profit rate)
· View mode switching (simple / full)
· Other settings (tap sound effect, key customization)
etc...