checkdigit
Module to calculate and validate check digits for redundancy checking, using f.ex. mod10 (luhn algorithm) or mod11.
Module to calculate and validate check digits for redundancy checking, using f.ex. mod10 (luhn algorithm) or mod11.
Calculate the check digit(mod10 algorithm)
Cargo container validator ISO 6346 implemented in Javascript
Generate and verify the check digit for the UPU S10 postal tracking codes.
intermodal (shipping) containers markings (ISO 6346) validator