@gjtorikian
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The quadratic formula is $$-b \pm \sqrt{b^2 - 4ac} \over 2a$$
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In just a few short years, TeX, and its later evolution, LaTeX, became the way to write academic and scientific papers. To this day, forty years later, you can still read, write,
and generate TeX documents, as the program has been ported to newer operating systems over the years. This can’t be said of most programs.
The greatest downside to LaTeX is that the learning curve is quite steep. There’s an enormous amount of typesetting power that comes with the system, allowing you to
manipulate every single speck and pixel that comes out. For some, that’s a necessity. For most, it’s overkill.