deletions | additions       diff --git a/subsection_Calculus_begin_tabular_lll__1.tex b/subsection_Calculus_begin_tabular_lll__1.tex  index e3a7c00..401c5fc 100644  --- a/subsection_Calculus_begin_tabular_lll__1.tex  +++ b/subsection_Calculus_begin_tabular_lll__1.tex 
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\emph{description} & \emph{command} & \emph{output}\\  derivative & \verb!\frac{\mathrm df}{\mathrm dx}! & $\displaystyle \frac{\mathrm df}{\mathrm dx}$\\  derivative & \verb!\f'! & $f'$\\  partial derivative & \verb!\frac{\partial f}!\verb!{\partial\mathrm  x}! & $\displaystyle \frac{\partial f}{\partial\mathrm  x}$\\ limits & \verb!\lim_{x\to \infty}! & $\displaystyle \lim_{x\to \infty}$\\  summation & \verb!\sum_{n=1}^{\infty}a_n! & $\displaystyle \sum_{n=1}^{\infty}a_n$\\  product & \verb!\prod_{n=1}^{\infty}a_n! & $\displaystyle \prod_{n=1}^{\infty}a_n$\\