creo4 config.pro option documentation for: DIM_FRACTION_DENOMINATOR

dim_fraction_denominator
Sets the largest denominator for the dimension value that appears in fractional format. The current denominator value of the fraction is rounded to the closest valid number from 0, 2, 4, 8, 16, 32, 64, and 128.
Default and Available Settings:
1/32*
0
1/2
1/4
1/8
1/16
1/64
1/128