Arabic numerals to English
utility prints the English equivalent of
the number to the standard output, with each 10^3 magnitude displayed on a
separate line. If no argument is specified,
reads lines from the standard input.
The options are as follows:
- Display the number on a single line.
understands negative numbers (although they
must be preceded by ‘--’ if they are on the command line to
avoid being mistaken for options) and numbers in scientific notation (e.g.