example: F=ma, e^{jx}, \frac{1}{n} \sum x, \sin^2x+\cos^2x What is this? This is testing implementation of Wikipedia Formula Search. Source code reform.rb Formula simplifier. You can check formula conversion rule from this file. commit.rb Formula registerer. commit_tex.rb Formula registerer for TeX. commit_wp.rb Formula registerer for Wikipedia. commit_html.rb Formula registerer for HTML. search.r