A number can be entered literally in decimal, binary, or hexadecimal format.
For binary and hex format, the prefixes 0b, 0B, 0x, or
0X should be used.
>> x = 1011.11 /* decimal format */
1011.11
>> y = 0B1011.11 /* binary format */
11.75
>> z = 0X1011.11 /* hex format */
4113.0664060
>> w = -0Xabcd.ab /* hex format */
-214375.2578