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\usepackage{times}
\usepackage{amsmath,amssymb}
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\usepackage{subfigure}
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\setbeamertemplate{caption}[numbered]

  \title{Applications of Complex Variables in science or engineering}
  \author{Put your name here}
  \institute{Adelphi University}

  \begin{document}
  \begin{frame}{}
    \begin{columns}[t]
      \begin{column}{.24\linewidth}

        % introduction
        \begin{block}{Introduction}
          \begin{itemize}
            \item Applications of Complex Variables.
            \item Engineering.
            \item Science.
            \item Keep the introduction short .
          \end{itemize}
        \end{block}

        \begin{block}{Applications of Complex Variables in science}
            \begin{figure}[htb!]
                \centering
                \includegraphics[width=15.0in]{18-04f99}
                \caption{Applications of Complex Variables in science.}
               \label{fig:emd}
            \end{figure}
            
                \begin{figure}[htb!]
                \centering
                \includegraphics[width=15.0in]{220px-Lorentz}
                \caption{Applications of Complex Variables in science.}
               \label{fig:emd}
            \end{figure}

            \begin{itemize}
              
                \item Applications of Complex Variables in science.
                 \item Applications of Complex Variables in science.
               
            \end{itemize}
        
           \textbf{See the integral $\int_C\dfrac{1}{(z+1)(z-1)^2}dz$.}
        \end{block}
      \end{column}
          
      \begin{column}{.48\linewidth}
        \begin{block}{Applications of Complex Variables in science or engineering}
           \begin{figure}[htb!]
               \centering
               \subfigure{\includegraphics[width=0.40\linewidth, angle=0]{18-04f03}}
               \subfigure{\includegraphics[width=0.40\linewidth, angle=0]{18-04f03}}

               \subfigure{\includegraphics[width=0.49\linewidth, angle=0]{18-04f03}}
               \subfigure{\includegraphics[width=0.49\linewidth, angle=0]{18-04f03}}

	       \caption{ Complex Variables with Applications.} 
               \label{fig:spec_comp}
          \end{figure}
        \end{block}

        \begin{block}{Fun with Complex Variables}
            \begin{itemize}
               \item{Fun with Complex Variables.}
               \item{Fun with Complex Variables.}
               \item{Find the $\int_C\dfrac{e^z}{z(z^2-16)}dz$.}
               
           \end{itemize}
        \end{block}
        
      \end{column}
      \begin{column}{.24\linewidth}
         \begin{block}{Garden City}
             \begin{figure}[htb!]
                 \centering
                 \includegraphics[width=15.0in]{Garden_City}
                 \caption{Garden City.}
                 \label{fig:Garden City}
             \end{figure}
          \end{block}
             
         \begin{block}{Discussion}
\begin{figure}[htb!]
                 \centering
                 \includegraphics[width=15.0in]{600px-Smiley.png}
                 \caption{Smiley.}
                 \label{fig:Smiley}
             \end{figure}
           
           \textbf{We love Complex Variables.}

          \end{block}
           
          \begin{block}{References}
            \footnotesize
            \begin{thebibliography}{10}    
            \beamertemplatearticlebibitems
            \bibitem{huangetal1998}
            \newblock
            [1] Fun with Complex Variables.
            \bibitem{huangetal2001}
            \newblock
            [2] We love Complex Variables
            \end{thebibliography}
          \end{block}
      \end{column}

    \end{columns}
  \end{frame}
  \end{document}



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