❮ undef
❯
Numbers - integers, real or floating-point
integer (decimal)
No need for quotes around the value.
26 1_234_567 # like 1,234,567 in human writing
integer (hex/oct/binary)
0x1a # hex also written as hex("1a"); 032 # oct also written as oct("32"); 0b11010 # binary also written as oct("0b11010"); # all 3 equal to 26 decimal
real or floating-point
3.5e+3 # 3500