Numbers in plotl

Examples of valid numbers are;
   Number          Interpreted Value
   3               3.0
   5.15            5.15
   .22             0.22
   1.6E2           1600.0
   -4E-1           -0.4
   11.6%           0.116
   12:30:00        12.5
   003/12:00       84.0
   xA000           40960 (the leading x indicates a hexadecimal read)
   0xff            255   (0x indicates a hexadecimal read)