UniCalc Pro

Couple Key features added to the regular version of UniCalc.

* Fuel Economy Conversion & highly demanded Tip calculation!
Slide on the main menu to reveal more unit conversion option.

* New Swap Unit and Swap All buttons integrated to offer more versatile calculation.
- Swap Unit : swap both units to enable quick unit swap between "from" and "to"
- Swap All : swap both units and calculation result in the "from" and "to" section.

* Currency converter now added more currency. Including:
USD,EUR,GBP,JPY,CNY,CAD,AUD,MXN,
HKD,TWD,KRW,THB,SGD,MYR,INR