In the SVG Text version of ∫𝝨∇×𝐅∙𝑑𝝨 = ∮∂𝝨 𝐅∙𝑑𝐫, the r is invisible in firefox (at least on my machine). It is visible on chrome. http://i.imgur.com/Ghr

In the SVG Text version of ∫𝝨∇×𝐅∙𝑑𝝨 = ∮∂𝝨 𝐅∙𝑑𝐫, the r is invisible in firefox (at least on my machine). It is visible on chrome. http://i.imgur.com/GhrHkbG.png http://i.imgur.com/GhrHkbG.png