Easy Calculator app for iPhone and iPad

Easy Calculator is an easy & simple calculator for you.
Its simple, but its powerful functions will meet your needs.

FEATURES
• Its reaction is faster than any other calculator apps.
• Undo or Redo is possible.
• You can use the result value with a simple touch for another calculation.
• You can share your calculation process and result via Email, Message, Copy, AirDrop, and etc.(And you can also customize it)
• Big number & scientific expression are both supported automatically.
• Big button is easy to press.
• You can check your calculating process in 3 lines.