utilities
- curfit
- fit a curve to a list or an image section
- detab
- remove tab characters from a file or files
- entab
- replaces blanks by tabs and blanks
- lcase
- convert text files to lower case
- polyfit
- fit a polynomial to sets of data
- split
- split a large file into smaller segments
- surfit
- fit a surface, z=f(x,y), to a set of x, y, z points
- translit
- replace or delete specified characters in a file
- ucase
- convert text files to upper case
- urand
- uniform random number generator