LaTeX shortcuts

Mathleagues uses KaTeX for mathematical rendering. The same syntax works in prompts, answer fields, and written work.

syntax basics

Use $x^2$ for inline math and $$x^2$$ for display math. The proof editor also recognizes raw commands entered through its keyboard shortcuts and toolbar.

Let $f: \mathbb{R} \to \mathbb{R}$ be continuous.
By the intermediate value theorem, there exists
$c \in (a,b)$ such that $f(c)=0$.

rendering an example

This is the same mixed-content renderer used by problem statements: The answer is $\frac{1}{2}$.