Fix the bottom most row

The calculator is good, and I really like the new iOS 7 design. There is one major flaw though, and that is the low responsiveness to tapping of the bottom most row of functions. While all other functions have full responsiveness, the bottom most such as zero and the decimal function are only responsive at the top of the square. Please fix that ASAP!

ニコライリエヴ about BA Financial Calculator Pro, v3.43