Works for me (Firefox and Chrome). The footnote on the page says: "This HTML5-based edition features LaTeX equations rendered by MathJax JavaScript, and scalabl

Works for me (Firefox and Chrome). The footnote on the page says: "This HTML5-based edition features LaTeX equations rendered by MathJax JavaScript, and scalable vector graphic (SVG) figures. Your browser must support javascript and permit scripts from mathjax.org. LocalStorage must be enabled"