deletions | additions       diff --git a/subsection_Calculus_begin_tabular_lll__1.tex b/subsection_Calculus_begin_tabular_lll__1.tex  index f358f03..76c7a0c 100644  --- a/subsection_Calculus_begin_tabular_lll__1.tex  +++ b/subsection_Calculus_begin_tabular_lll__1.tex 
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product & \verb!\prod_{n=1}^{\infty}a_n! & $\displaystyle \prod_{n=1}^{\infty}a_n$\\  integral & \verb!\int! & $\displaystyle\int$\\  double integral & \verb!\iint! & $\displaystyle\iint$\\  triple %triple  integral & \verb!\iiint! & $\displaystyle\iiint$ \end{tabular}  %partial derivative & \verb!\frac{\partial f}!\\ \verb!{\partial x}! & $\displaystyle \frac{\partial %f}{\partial x}$\\  %integral & \verb!\int! & $\displaystyle\int$\\