2-16 Calculator

This is an app which can calculate between binary and hex-decimal.
This can be helpful for every thing such as for the assignment of programming in college.
--Procedure
1. Tap the original base
2. Enter the number
3. Tap the set button

--Example
If you want to calculate 0x48,
1. Tap the "hexdec" button above
2. Enter the number "48"
3. Tap the set button