LaTeX
| LaTeX |
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The 
typesetting system (typically pronounced "Lah-Tek is widely used to produce well-formatted mathematical and scientific writing. is very handy for producing equations such as
![\[\frac 25\cdot13=\frac{26}{5}\cdot1=\sqrt{\tfrac{676}{25}}\]](http://latex.artofproblemsolving.com/e/c/5/ec5a61281f2aeacab39d5938895e2058c4122511.png)
and
![\[3^n=\underbrace{3\cdot3\cdot3\cdot3\cdot3\dots}_{n\text{ copies of 3}}.\]](http://latex.artofproblemsolving.com/3/7/2/37290733996afced520e3d60d70b4292457f6c6e.png)
Nearly every serious math or science student will use frequently. Through these web pages, you will learn much of what you'll need to express math and science like a professional.
- Clickhere to start learning how to use
on AoPS.
