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\[ \sum_{n=1}^{\infty} \frac{1}{n^2} = \frac{\pi^2}{6} \] \[ \begin{aligned} a + b &= c \\ d – e &= f \end{aligned} \] \[ x = \frac{-b \pm \sqrt{b^2 – 4ac}}{2a} \] \[ A = \begin{bmatrix} 1 & 2 & 3 \\ 4 & 5 & 6 \\ 7 & 8 & 9 \end{bmatrix} \] فرمول معروف انیشتین $E = mc^2$ رابطه بین جرم و انرژی را نشان می‌دهد.