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+#+LaTeX_CLASS: beamer
+#+LaTeX_CLASS_OPTIONS: [presentation]
+#+BEAMER_FRAME_LEVEL: 1
+
+#+BEAMER_HEADER_EXTRA: \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent}
+#+COLUMNS: %45ITEM %10BEAMER_env(Env) %10BEAMER_envargs(Env Args) %4BEAMER_col(Col) %8BEAMER_extra(Extra)
+#+PROPERTY: BEAMER_col_ALL 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 :ETC
+
+#+LaTeX_CLASS: beamer
+#+LaTeX_CLASS_OPTIONS: [presentation]
+
+#+LaTeX_HEADER: \usepackage[english]{babel} \usepackage{ae,aecompl}
+#+LaTeX_HEADER: \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}
+
+#+LaTeX_HEADER: \usepackage{listings}
+
+#+LaTeX_HEADER:\lstset{language=Python, basicstyle=\ttfamily\bfseries,
+#+LaTeX_HEADER:  commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen},
+#+LaTeX_HEADER:  showstringspaces=false, keywordstyle=\color{blue}\bfseries}
+
+#+TITLE:    
+#+AUTHOR:    FOSSEE
+#+EMAIL:     
+#+DATE:    
+
+#+DESCRIPTION: 
+#+KEYWORDS: 
+#+LANGUAGE:  en
+#+OPTIONS:   H:3 num:nil toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t
+#+OPTIONS:   TeX:t LaTeX:nil skip:nil d:nil todo:nil pri:nil tags:not-in-toc
+
+* 
+#+begin_latex
+\begin{center}
+\vspace{12pt}
+\textcolor{blue}{\huge Using Sage}
+\end{center}
+\vspace{18pt}
+\begin{center}
+\vspace{10pt}
+\includegraphics[scale=0.95]{../images/fossee-logo.png}\\
+\vspace{5pt}
+\scriptsize Developed by FOSSEE Team, IIT-Bombay. \\ 
+\scriptsize Funded by National Mission on Education through ICT\\
+\scriptsize  MHRD,Govt. of India\\
+\includegraphics[scale=0.30]{../images/iitb-logo.png}\\
+\end{center}
+#+end_latex
+* Objectives
+ At the end of this tutorial, you will be able to,
+
+ - Learn the range of things for which Sage can be used. 
+ - Know some of the functions for Calculus.
+ - Learn about graph theory and number theory using Sage.
+* Pre-requisite
+  Spoken tuorial on -
+  - Getting started with Sage
+* Equation
+  Ax = v,
+  where A is the matrix,'' matrix([[1,2],[3,4]])''
+  v is the vector, ''vector([1,2])''. 
+* Summary
+In this tutorial, we have learnt to,  
+ - Use functions for calculus like --
+    - lim()-- to find out the limit of a function
+    - diff()-- to find out the differentiation of an expression
+    - integrate()-- to integrate over an expression  
+    - integral()-- to find out the definite integral of an 
+      expression by specifying the limits
+    - solve()-- to solve a function, relative to it's postion. 
+ - Create Both a simple graph and a directed graph, using the 
+    functions ``graph()`` and ``digraph()`` respectively.
+ - Use functions for Number theory.For eg: 
+    - primes\_range()-- to find out the prime numbers within the 
+      specified range
+    - factor()-- to find out the factorized form of the number specified
+    - Permutations(), Combinations()-- to obtain the required permutation 
+      and combinations for the given set of values.  
+* Evaluation
+ 1. How do you find the limit of the function ``x/sin(x)`` as ``x`` tends 
+    to ``0`` from the negative side.
+
+ 2. List all the primes between 2009 and 2900.
+
+ 3. Solve the system of linear equations
+     
+    x-2y+3z = 7
+    2x+3y-z = 5
+    x+2y+4z = 9
+* Solutions
+1. lim(x/sin(x), x=0, dir="below")
+
+2. prime\_range(2009, 2901)
+
+3. A = Matrix([[1, -2, 3], 
+               [2, 3, -1], 
+               [1, 2, 4]])
+
+   b = vector([7, 5, 9])
+
+   solve\_right(A, b)
+* 
+#+begin_latex
+  \begin{block}{}
+  \begin{center}
+  \textcolor{blue}{\Large THANK YOU!} 
+  \end{center}
+  \end{block}
+\begin{block}{}
+  \begin{center}
+    For more Information, visit our website\\
+    \url{http://fossee.in/}
+  \end{center}  
+  \end{block}
+#+end_latex
+
+