math mode - Really wide hat symbol - TeX - LaTeX Stack Exchange
symbols - How to adjust the length of the hat? - TeX - LaTeX Stack Exchange
LaTeX Math Symbols – The Garden at 13 Broom Acres
math mode - Really wide hat symbol - TeX - LaTeX Stack Exchange
Art of Problem Solving
symbols - Is there a way to do an "upside down" \widehat? - TeX - LaTeX Stack Exchange
👋 Plickers on Twitter: "🛠️ Advanced/AP math teachers – you can now directly enter custom LaTeX to create matrices, widehat, cases, and more. Just click 'Advanced Equation' in the Equation Editor. You
fonts - Is there a \widecheck like \widehat? - TeX - LaTeX Stack Exchange