The Better MathJax plugin enhances the MathJax experience in Obsidian by introducing autocompletion and convenient navigation for mathematical expressions. It detects $ and $$ blocks to provide inline MathJax rendering and offers a helper modal for reference and editing shortcuts. Users can quickly navigate placeholders and configure settings for a tailored workflow. This plugin is ideal for users who frequently work with mathematical notations, enabling efficient and seamless editing with customizable hotkeys and features designed for precision and speed.