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 "metadata": {
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 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "<h1>Chapter 1: Introductory Concepts <h1>"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "<h3>Example 1.6, Page number: 1.19<h3>"
     ]
    },
    {
     "cell_type": "code",
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     "input": [
      "\n",
      "\n",
      "import math\n",
      "\n",
      "radius=5\n",
      "area=math.pi*radius*radius\n",
      "print \"Area = \",area\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Area =  78.5398163397\n"
       ]
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
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}