Developed by Leslie Lamport, an American computer scientist, in the early 1980s, with this format, many printed materials of book quality can be generated in a few days or even hours. This is especially prominent for generating complex tables and mathematical formulas.

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It is very suitable for generating scientific and mathematical documents with high print quality. The system is also suitable for generating all other types of documents from simple letters to complete books. Ordinary users don't need to know complicated connections. Just like programming, if you use some compiled function libraries and templates, you can realize many functions with only a few commands.

It defines many commands and templates according to people's habit of typesetting articles. Through these commands and templates, we can quickly get beautiful typesetting results. However, the learning cost is high. For people who have no computer science foundation, it takes a lot of time to learn functions such as "environmental variables" that may not be used for a lifetime. Although computer knowledge is becoming more and more popular now, it is far from enough.