NAN             [  NaN   ]
 0               [   0    ]
 1               [   1    ]
 -1              [  -1    ]
 12.3            [  12.30 ]
 123.4           [ 123.40 ]
 1000.5          [   1k   ]
 12345.6         [  12.35k]
 -123456.7       [-123.46k]
 1234567.89      [   1.23M]
 12345678.9      [  12.35M]
 123456789.0     [ 123.46M]
  0.000000001    [   1n   ]
 -0.000000001    [  -1n   ]
 0.0000000001    [ 100p   ]