Revision as of 12:51, 14 April 2024 (view source) Langurmonkey (talk \| contribs) (→‎{{header\|langur}}) ← Older edit		Revision as of 12:53, 14 April 2024 (view source) Langurmonkey (talk \| contribs) m (→‎{{header\|langur}}) Newer edit →
Line 1,973: .s = replace(.s, RE/[\- ]/) .s -> re/^[0-9]{13}$/ and fold(ffn{+}, map [_, fn{*3}], s2n .s) div 10 }

ISBN13 check digit: Difference between revisions

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