Easi Calc for free!

Im a pure indie developer. Its like putting your time and effort into the quality concert. Im assured, this calculator will devote deeply in your phone.advantage) -clear -joyful -convenience -good developerfeature) -support retina -support universal (support iPad) -add export to text file -UI for readability -two type of theme -intuitive animate effectutility) -multinomial arithmetic operation -percentage calculate -00 button -if apps terminated, calculation results are remained.