1 0.1.toFixed(1)=0.1
   2 0.1.toFixed(2)=0.10
   3 0.1.toFixed(3)=0.100
   4 0.01.toFixed(1)=0.0
   5 0.01.toFixed(2)=0.01
   6 0.01.toFixed(3)=0.010
   7 0.01.toFixed(4)=0.0100
   8 0.001.toFixed(1)=0.0
   9 0.001.toFixed(2)=0.00
  10 0.001.toFixed(3)=0.001
  11 0.001.toFixed(4)=0.0010
  12 0.001.toFixed(5)=0.00100
  13 0.0001.toFixed(1)=0.0
  14 0.0001.toFixed(2)=0.00
  15 0.0001.toFixed(3)=0.000
  16 0.0001.toFixed(4)=0.0001
  17 0.0001.toFixed(5)=0.00010
  18 0.0001.toFixed(6)=0.000100
  19 0.00001.toFixed(1)=0.0
  20 0.00001.toFixed(2)=0.00
  21 0.00001.toFixed(3)=0.000
  22 0.00001.toFixed(4)=0.0000
  23 0.00001.toFixed(5)=0.00001
  24 0.00001.toFixed(6)=0.000010
  25 0.00001.toFixed(7)=0.0000100
  26 0.000001.toFixed(1)=0.0
  27 0.000001.toFixed(2)=0.00
  28 0.000001.toFixed(3)=0.000
  29 0.000001.toFixed(4)=0.0000
  30 0.000001.toFixed(5)=0.00000
  31 0.000001.toFixed(6)=0.000001
  32 0.000001.toFixed(7)=0.0000010
  33 0.000001.toFixed(8)=0.00000100
  34 1e-7.toFixed(1)=0.0
  35 1e-7.toFixed(2)=0.00
  36 1e-7.toFixed(3)=0.000
  37 1e-7.toFixed(4)=0.0000
  38 1e-7.toFixed(5)=0.00000
  39 1e-7.toFixed(6)=0.000000
  40 1e-7.toFixed(7)=0.0000001
  41 1e-7.toFixed(8)=0.00000010
  42 1e-7.toFixed(9)=0.000000100
  43 1e-8.toFixed(1)=0.0
  44 1e-8.toFixed(2)=0.00
  45 1e-8.toFixed(3)=0.000
  46 1e-8.toFixed(4)=0.0000
  47 1e-8.toFixed(5)=0.00000
  48 1e-8.toFixed(6)=0.000000
  49 1e-8.toFixed(7)=0.0000000
  50 1e-8.toFixed(8)=0.00000001
  51 1e-8.toFixed(9)=0.000000010
  52 1e-8.toFixed(10)=0.0000000100
  53 1e-9.toFixed(1)=0.0
  54 1e-9.toFixed(2)=0.00
  55 1e-9.toFixed(3)=0.000
  56 1e-9.toFixed(4)=0.0000
  57 1e-9.toFixed(5)=0.00000
  58 1e-9.toFixed(6)=0.000000
  59 1e-9.toFixed(7)=0.0000000
  60 1e-9.toFixed(8)=0.00000000
  61 1e-9.toFixed(9)=0.000000001
  62 1e-9.toFixed(10)=0.0000000010
  63 1e-9.toFixed(11)=0.00000000100
  64 1e-10.toFixed(1)=0.0
  65 1e-10.toFixed(2)=0.00
  66 1e-10.toFixed(3)=0.000
  67 1e-10.toFixed(4)=0.0000
  68 1e-10.toFixed(5)=0.00000
  69 1e-10.toFixed(6)=0.000000
  70 1e-10.toFixed(7)=0.0000000
  71 1e-10.toFixed(8)=0.00000000
  72 1e-10.toFixed(9)=0.000000000
  73 1e-10.toFixed(10)=0.0000000001
  74 1e-10.toFixed(11)=0.00000000010
  75 1e-10.toFixed(12)=0.000000000100