[Tex/LaTex] How I put \sqrt in arial with unicode-math

unicode-mathxetex

I need to write an document with Arial. And have some math.

I almost do this in entire document with this:

    \documentclass{article}

    \usepackage{amsmath}

    \usepackage{mathspec}
    \setmathsfont(Digits)[Numbers={Lining,Proportional}]{Arial}
    \setmathsfont(Latin)[Numbers={Lining,Proportional}]{Arial}
    \setmathsfont(Greek)[Numbers={Lining,Proportional}]{Arial}

    \usepackage[math-style=upright]{unicode-math}
    \setmathfont{Arial}

    \begin{document}

    \[
    \sqrt{a+b}
    \]

    \[
    \int_{a}^{b}
    \]

    \end{document}

But the square root is broken, and the integral symbol is very small.

What can I do?

I found another package. This package provides math symbols for Myriad Pro, a sans serif font from Adobe. The final code looks like this:

\documentclass{article}

\usepackage{amsmath}

\usepackage{mathspec}
\setmathsfont(Digits)[Numbers={Lining,Proportional}]{Arial}
\setmathsfont(Latin)[Numbers={Lining,Proportional}]{Arial}
\setmathsfont(Greek)[Numbers={Lining,Proportional}]{Arial}

\usepackage{mdsymbol}

enter image description here

Best Answer

There is no arial math font, so you need to use another font. (The university can not require the use of a font that does not exist),

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