domain([1, 10]).range([0, 1]):
           -5  ->   NaN
            0  ->  −Infinity
         0.01  ->  −2.000
          0.1  ->  −1.000
            1  ->   0.000
            5  ->   0.699
           10  ->   1.000
          100  ->   2.000

domain([10, 1]).range([0, 1]):
           -5  ->   NaN
            0  ->   Infinity
         0.01  ->   3.000
          0.1  ->   2.000
            1  ->   1.000
            5  ->   0.301
           10  ->   0.000
          100  ->  −1.000

domain([1, 10]).range([0, 1]).invert:
            0  ->   1.000
         0.01  ->   1.023
          0.1  ->   1.259
          0.5  ->   3.162
            1  ->   10.000

domain([1, 2]).range([0, 1]):
          0.5  ->  −1.000
          1.0  ->   0.000
          1.5  ->   0.585
          2.0  ->   1.000
          2.5  ->   1.322

domain([1, 2]).range([0, 1]).invert:
            0  ->   1.000
         0.01  ->   1.007
          0.1  ->   1.072
          0.5  ->   1.414
            1  ->   2.000

domain([01/01/1990, 01/01/1991]).range([0, 1]):
   10/20/1989  ->  −0.206
   01/01/1990  ->   0.000
   03/15/1990  ->   0.204
   05/27/1990  ->   0.406
   01/01/1991  ->   1.000
   03/15/1991  ->   1.194

domain([.1, 10]).range(["red", "blue"]):
          0.1  ->  rgb(255,0,0)
            1  ->  rgb(128,0,128)
            5  ->  rgb(38,0,217)
           10  ->  rgb(0,0,255)

domain([.1, 10]).range(["red", "blue"]).interpolate(hsl):
          0.1  ->  #ff0000
            1  ->  #00ff00
            5  ->  #009aff
           10  ->  #0000ff

nice():
   [ 1.100, 10.900 ]    ->   1.000, 100.000
   [ 10.900, 1.100 ]    ->   100.000, 1.000
   [ 0.700, 11.001 ]    ->   0.100, 100.000
   [ 123.100, 6.700 ]   ->   1000.000, 1.000
   [ 0.000, 0.490 ]     ->   0.000, 1.000
   [ 0.120, 1.000, 2.500, 3.000, 10.900 ] ->   0.100, 1.000, 2.500, 3.000, 100.000

ticks:
     [.1, 10]  ->  1, 2, 3, 4, 5, 6, 7, 8, 9, 1e+1
    [.1, 100]  ->  0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1e+1, 2e+1, 3e+1, 4e+1, 5e+1, 6e+1, 7e+1, 8e+1, 9e+1, 1e+2
     [1, 100]  ->  1, 2, 3, 4, 5, 6, 7, 8, 9, 1e+1, 2e+1, 3e+1, 4e+1, 5e+1, 6e+1, 7e+1, 8e+1, 9e+1, 1e+2
   [-100, -1]  ->  -1e+2, -9e+1, -8e+1, -7e+1, -6e+1, -5e+1, -4e+1, -3e+1, -2e+1, -1e+1, -9, -8, -7, -6, -5, -4, -3, -2, -1
     [100, 1]  ->  1, 2, 3, 4, 5, 6, 7, 8, 9, 1e+1, 2e+1, 3e+1, 4e+1, 5e+1, 6e+1, 7e+1, 8e+1, 9e+1, 1e+2

domain clamping:
         over  ->  1
        under  ->  0