NAME

       checkdigits - verify and compute checkdigits

DESCRIPTION

   Usage:
              checkdigits [Options] command [[number] ...]

              options:

       -algorithm alg - use this algorithm

              commands:

       check  - check validity of number containing checkdigit

       checkdigit
              - return checkdigit belonging to number

       complete
              - return number completed with checkdigit

              list_algorithms  -  list  all known algorithms describe        - describe the given
              algorithms