Examples of powerful LaTeX packages and techniques in use — a great way to learn LaTeX by example. Search or browse below.

Figures TIKZ du cours "L'effet Doppler"
Figures TIKZ du cours "L'effet Doppler" disponible à l'adresse : http://femto-physique.fr/optique/doppler.php
Jimmy Roussel

Example: Chess with TeXmate
Example: Chess with TeXmate
TeXmate

Beautiful curved grid?
A variant and a combination of Hering's and Zöllner's illusion. The red grid is completely straight all the time.
Submitted as an answer to the Showcase of Optical Illusions question on TeX SX.
Click the Illusions tag below to see more!
OSjerick

They are or not parallels?
The perpendicular lines that do not match row to row create an illusion of the lines between them being not parallel.
Submitted as an answer to the Showcase of Optical Illusions question on TeX SX.
Click the Illusions tag below to see more!
OSjerick

The Grid
Submitted as an answer to the Showcase of Optical Illusions question on TeX SX.
Click the Illusions tag below to see more!
stalking isn't tolerated

Ebbinghaus' illusion
Submitted as an answer to the Showcase of Optical Illusions question on TeX SX.
Click the Illusions tag below to see more!
cmhughes

Romantic Mathematics & Computer Programs
not sure what to put here
Patrick Prosser

Quiz Integers
Multiplication and Division of Integers
Markus Fink

Álgebra
Ejercicios de álgebra tomados del Baldor (edición 1980).
Algebra exercises from Baldor (1980 edition)
Alberto Ordonez