Hex,Dec,Oct,Bin(Dev Calc) (yumekan.android.devcalc) on Google Play
The Calculator for Developer Developer Calc includes the following features: ■ Binary, octal, decimal, and hexadecimal in one screen ■ The maximum value : 0x0FFF FFFF FFFF FFFF ■ The minimum value : 0xF000 0000 0000 0000 ■ The large 19-digit display of decimal ■ Conversion reset ON/OFF