Question

$n \frac{10200}{?(0.05)0.05(10.200 - 1) + 1}$
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Answer 1

TEX is a typesetting system written by Donald E. Knuth, who says that it is “intended for the creation of beautiful books — and especially for books that contain a lot of mathematics”.
A typesetting system which is used to create highly structured documents which may contain a lot of mathematics. A number of popular TEX macro packages exist but the most notable is LATEX.