WKWebView to render TeX expressions inline with text in swift

• Add katex folder and KatexMathView.swift to your project.
• Now you are ready to use KatexMathView in your story board.
• Add a WKWebView to your parent view. and change the class to KatexMathView.
• Add the WKWebView as IBOutlet in your controller.

   @IBOutlet weak var mathView: KatexMathView!

You can load the latex expression as shown below

  let latex: String = "Find the value of $k$, if $x + 6$ is a factor of $- k + x^{3} + 16 x^{2} + 76 x$"
  mathView.loadLatex(latex)

"$" is the default delimitter. If you have other character in your LaTeX expression, change the delimitter in KatexMathView.swift

KaTeX (http://khan.github.io/KaTeX/)

Android: https://github.com/lingarajsankaravelu/Katex