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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 21: Magnetic Materials"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 21.1: calculation_of_magnetizing_force_and_relative_permeability.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc;clear;\n",
+"//Example 21.1\n",
+"//calculation of magnetizing force and relative permeability\n",
+"\n",
+"//given values\n",
+"M=2300;//magnetization in A/m\n",
+"B=.00314;//flux density in Wb/m^2\n",
+"u=12.57*10^-7;//permeability in H/m\n",
+"\n",
+"//calculation\n",
+"H=(B/u)-M;\n",
+"disp(H,'magnetizing force(in A/m)is ');\n",
+"Ur=B/(u*H);\n",
+"disp(Ur,'relative permeability is')"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 21.2: calculation_of_magnetization_and_magnetic_flux_density.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc;clear;\n",
+"//Example 21.2\n",
+"//calculation of magnetization and magnetic flux density\n",
+"\n",
+"//given values\n",
+"H=10^5;//external field  in A/m\n",
+"X=5*10^-5;//susceptibility \n",
+"u=12.57*10^-7;//permeability in H/m\n",
+"\n",
+"//calculation\n",
+"M=X*H;\n",
+"disp(M,'magnetization (in A/m)is ');\n",
+"B=u*(M+H);\n",
+"disp(B,'magnetic flux density (in wb/m^2) is')"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 21.3: calculation_of_relative_permeability.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc;clear;\n",
+"//Example 21.3\n",
+"//calculation of relative permeability\n",
+"\n",
+"//given values\n",
+"\n",
+"X=3.7*10^-3;//susceptibility at 300k\n",
+"T=300;//temp in K\n",
+"T1=200;//temp in K\n",
+"T2=500;//temp in K\n",
+"\n",
+"//calculation\n",
+"C=X*T;//curie constant\n",
+"XT1=C/T1;\n",
+"disp(XT1,'relative permeability at T1 is ');\n",
+"XT2=C/T2;\n",
+"disp(XT2,'relative permeability at T2 is')"
+   ]
+   }
+],
+"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
+}