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Re:The lingua franca of LaTeX by sampo on Saturday May 25, 2019 @05:39AM (#20008010)
Systems engineers (for example the K&R "C Programming Language" book) didn't need elaborate math notation, like Knuth needed.
Re:The lingua franca of LaTeX by ggm on Saturday May 25, 2019 @08:30PM (#20012367)
Eqn was invented precisely to do elaborate math notation. Integrals, sweeping braces, majuscule and minescule letters, suffixes, Greek..