Erratum 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.)" Design errors and mistakes in a CPU's hardwired logic may also be documented and described as errata. One well-publicized example is Intel's "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
The Pyramid at the End of the World that had featured in the series. However, he went on to praise the ending of the episode and how it saved the episode itself, finding the similarities with the second part of the Tenth Doctor serial "The End of Time" and how the Doctor managed to save the world, but at a cost. Wilkins commenting on the unexpected ending, stating that it is "probably what I'm going to remember from "The Pyramid At The End Of The World," especially when thinking of it as the middle entry between the brilliant "Extremis" and the seriously intriguing-looking "The Lie Of The Land.""