x c*(2**-n) binary decimal d log10(x) 1/2 1*(2**-1) 0b0.1 0.5 1 -0.301029996 1/4 1*(2**-2) 0b0.01 0.25 1 -0.602059991 3/4 3*(2**-2) 0b0.11 0.75 1 -0.124938737 1/8 1*(2**-3) 0b0.001 0.125 1 -0.903089987 7/8 7*(2**-3) 0b0.111 0.875 1 -0.057991947 1/16 1*(2**-4) 0b0.0001 0.0625 2 -1.204119983 15/16 15*(2**-4) 0b0.1111 0.9375 1 -0.028028724 1/32 1*(2**-5) 0b0.00001 0.03125 2 -1.505149978 1/64 1*(2**-6) 0b0.000001 0.015625 2 -1.806179974 1/128 1*(2**-7) 0b0.0000001 0.0078125 3 -2.107209970 3/128 3*(2**-7) 0b0.0000011 0.0234375 2 -1.630088715 5/128 5*(2**-7) 0b0.0000101 0.0390625 2 -1.408239965 9/128 9*(2**-7) 0b0.0001001 0.0703125 2 -1.152967460 13/128 13*(2**-7) 0b0.0001101 0.1015625 1 -0.993266617