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What is the correct pronunciation of TeX and LaTeX? Let the creators of TeX and LaTeX answer: Donald Knuth wrote in the first chapter of his TeXbook: English words like ‘technology’ stem from a Greek root beginning with the letters τεχ ; and this same Greek word means art as well as technology Hence the name TeX, which is an uppercase form of τεχ Insiders pronounce the χ of TeX as a Greek chi, not as an ‘x’, so that TeX
Floor and ceiling functions - TeX - LaTeX Stack Exchange Is there a convenient way to typeset the floor or ceiling of a number, without needing to separately code the left and right parts? For example, is there some way to do $\\ceil{x}$ instead of $\\lce