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institution/organisation
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A function \[f(x)=\frac{1}{x^2+3}\]
A more complicated example: \[ \int_B\left(v\nabla ^2v+|\operatorname{grad} v|^2\right) dV=\oint_S v\frac{\partial v}{\partial n}\,dA \]
Related resources: MathJax Accessibility extensions, WCAG 1.1.1, WCAG 1.3.1, WCAG 2.1.1