Employed Checksums/CheckDigits

F_2OF5CHECK, F_2OF5
F_CODE39CHECK, F_CODE39
F_ENCRYPTMD5
F_GTIN8
F_GTIN8CHECK
F_GTIN13
F_GTIN13CHECK
F_GTIN14
F_GTIN14CHECK
F_ISBN10CHECK, F_ISBN10
F_ISBN13CHECK, F_ISBN13
F_ISSN8CHECK, F_ISSN8
F_NVE18
F_NVE18CHECK
F_UPC12
F_UPC12CHECK
F_UPSTNCHECK, F_UPSTN