ⓘ Erratum. An erratum or corrigendum is a correction of a published text. As a general rule, publishers issue an erratum for a production error and a corrigendum ..

                                     

ⓘ Erratum

An erratum or corrigendum is a correction of a published text. As a general rule, publishers issue an erratum for a production error and a corrigendum for an authors error. An erratum is most commonly issued shortly after its original text is published.

                                     

1. Errata sheets

According to the Chicago Manual of Style, "Errata, lists of errors and their corrections, may take the form of loose, inserted sheets or bound-in pages. An errata sheet is definitely not a usual part of a book. It should never be supplied to correct simple typographical errors which may be rectified in a later printing or to insert additions to, or revisions of, the printed text which should wait for the next edition of the book. It is a device to be used only in extreme cases where errors severe enough to cause misunderstanding are detected too late to correct in the normal way but before the finished book is distributed. Then the errors may be listed with their locations and their corrections on a sheet that is tipped in, either before or after the book is bound, or laid in loose, usually inside the front cover of the book. Tipping and inserting must be done by hand, thus adding considerably to the cost of the book."

                                     

2. CPU logic

Design errors and mistakes in a CPUs hardwired logic may also be documented and described as errata. One well-publicized example is Intels "FDIV" erratum in early Pentium processors, known as the Pentium FDIV bug. This gave incorrect answers to a floating-point division instruction FDIV for a small set of numbers, due to an incorrect lookup table inside the Pentium chip.

                                     
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  • 1752 1840 was a French physicist best known for his 1827 pamphlet Grand Erratum a polemical satire, translated into many European languages, that attempted
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