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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 11: Quantum statistics"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.3: Boltzan_factor.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Example 11.3, page 410\n",
+"clc\n",
+"h=6.6*10^-34//in J-s\n",
+"v=1*10^7//per sec\n",
+"K=1.4*10^-23//in J-K\n",
+"T=300//in K\n",
+"n=exp(-((h*v)/(K*T)))\n",
+"printf('\n The Boltzan factor is  %e  Tesla',1-n)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.5: Fermi_energy.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Example 11.3, page 424\n",
+"clc\n",
+"disp('Part a')\n",
+"A=108//in g/mole\n",
+"M=10.5//in g/cm3\n",
+"D=6.02*10^23//in atom/mole\n",
+"n=(D*M)/A\n",
+"h=6.6*10^-34\n",
+"printf('\n The fermi energy is  %e electron/cm^3',n)\n",
+"m=9.1*10^-31//in kg\n",
+"n=5.9*10^28//per m^2\n",
+"x=((3*n)/(%pi))^(2/3)\n",
+"Ef=(h^2/(8*m))*x\n",
+"printf('\n The energy is  %e J',Ef)\n",
+"disp('part b')\n",
+"K=1.38*10^-23//in J-K\n",
+"T=300//in K\n",
+"z=(n*h^3)/(2*%pi*m*K*T)^(3/2)\n",
+"printf('\n The degeneracy term is  %e ',z)\n",
+"//Anser difference is because of round off"
+   ]
+   }
+],
+"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
+}