0x100   NB. 0*e^100 where e is the natural logarithm base 2.71828...
0
   0xff
|ill-formed number
   16b100 16bff
256 255
   8ad90   NB. 8 on the complex plane at an angle of 90 degrees from the real axis
0j8
   -100   NB. two tokens
_100
   _100+10   NB. three tokens
_90
   -100+10   NB. four tokens
_110