million = 1_000_000
billion = 1_000_000_000
lightspeed = 299_792_458
version = 8_04_1
date = 2017_12_31
the_answer = 42
red_mask = 0xff_00_00
size1G = 0x3fff_fff
bigX = 0Xffff
world = 0o777
me = 0o700
bigO = 0O700
bit8th = 0b01_0000_0000
packbits = 0b1_11_01_0000_0_111
bigbits = 0b1100_1011__1110_1111__0101_0011
bigB = 0B10
pi = 3.141_592_653_589_793
faraday = 96_485.332_89
avogadro = 6.022_140_857e+23
n0 = -1
n1 = -1.0
n2 = -0xFF0
n3 = -0o123
n4 = -0b001
x0 = 1_000_000
x1 = 1__000000
e0 = 0.0001
e1 = 0.000_1
f0 = 1e+23
f1 = 1_e+23
f2 = 1__e+23
g0 = 1e+23
h0 = 0xffff
h1 = 0xff_ff
h2 = 0x_ffff
h3 = 0x__ffff
hf0 = 0x0.1
hf1 = 0x0.01
hf2 = 0xF.FF
hf3 = 0x0.1p41
hf4 = 0x0.1p-4
hf5 = 0x0.1p12