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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 14: Ultrasonics"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 14.1: frequency.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Example 1 // Fundamental frequency\n",
+"clc;\n",
+"clear;\n",
+"close;\n",
+"//given data :\n",
+"t=1.6*10^-3;// in m\n",
+"lamda=2*t;// in m\n",
+"v=5760;// in m/s\n",
+"n1=v*10^-6/lamda;\n",
+"disp(n1,'Fundamental frequency,n1(MHz) = ')"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 14.2: Length.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Example 2 //  distance\n",
+"clc;\n",
+"clear;\n",
+"close;\n",
+"//given data :\n",
+"th=40;//cm\n",
+"t1=30;//micro-seconds\n",
+"t2=80;//micro seconds\n",
+"x=((2*th*10^-2*t1*10^-6)/(2*t2*10^-6))*100;//cm\n",
+"disp(x,'distance is ,(cm)=')"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 14.3: thickness.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Example 3 // Thickness\n",
+"clc;\n",
+"clear;\n",
+"close;\n",
+"//given data :\n",
+"v=5000;// in m/s\n",
+"N=50000;// in Hz\n",
+"t=v/(2*N);\n",
+"disp(t,'Thickness of steel plate,t(m) = ')"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 14.4: capacitance.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Example 4 //  Capacitance\n",
+"clc;\n",
+"clear;\n",
+"close;\n",
+"//given data :\n",
+"L=1;// in H\n",
+"n=10^6;// in Hz\n",
+"C=1*10^12/(4*%pi^2*n^2*L);\n",
+"disp(C,'The capacitance,C(micro-F) = ')"
+   ]
+   }
+],
+"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
+}