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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 21: Introduction"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 0.1_e: example_1.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//Initialization of variables\n",
+"P=1.115 //bar\n",
+"//Calculations\n",
+"Conv_fac=1/1.01325\n",
+"FinalP=Conv_fac*P //Final pressure\n",
+"//Results\n",
+"printf ('Final pressure in atmospheres (atm)= %.3f',FinalP)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 0.1_i: illustration_1.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//Initialization of variables\n",
+"h=0.760 //m\n",
+"d=1.36*10^4 //kg/m^3\n",
+"//Calculations\n",
+"P=9.81*d*h\n",
+"//Results\n",
+"printf ('Pressure at the foot of the column (Pa)= %.3e',P)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 20.2_i: illustration_2.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//Initialization of variables\n",
+"h=0.1 //m\n",
+"d=10^3//Kg/m^3\n",
+"Patm=100021 //Pa\n",
+"//Calculations\n",
+"P=9.81*h*d\n",
+"//Results\n",
+"printf('Hydrostatic pressure(Pa) = %.3f',P )\n",
+"printf('\n Pressure in apparatus(kPa) = %.3f',(Patm-P)/1000. )"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 21.3_i: illustration_3.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//Initialization of variables\n",
+"N=8.8*10^22\n",
+"NA=6.023*10^23 //mol^-1\n",
+"//Calculations\n",
+"n=N/NA\n",
+"//Results\n",
+"printf('No. of moles of Cu ( mol Cu)= %.2f',n)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 21.4_i: illustration_4.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//Initialization of variables\n",
+"m=21.5 //g\n",
+"Mc=12.01 //g/mol\n",
+"//Calculations\n",
+"nc=m/Mc\n",
+"//Results\n",
+"printf('Amount of C atoms= %.2f mol C',nc)"
+   ]
+   }
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}