initial commit / add all books

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diff --git a/462/CH6/EX6.5.b.ii/ex_6_5_b_ii.sce b/462/CH6/EX6.5.b.ii/ex_6_5_b_ii.sce
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+// exmple 6.5.b(ii)

+clc ;

+clear ;

+a =0;

+b =0;

+q =0;

+   // bb=input( ” Enter the first no (in decimal) : ” ) ;

+   // aa=input( ” E n t e r t h e number from which first no has to substracted : ” ) ;

+aa =58; 

+//taking the given input//

+bb =24;

+

+while ( aa >0)

+//converting the inputs into binary numbers//

+      x = modulo ( aa ,2) ;

+      a = a + (10^ q ) * x ;

+      aa = aa /2;

+      aa = floor ( aa ) ;

+      q = q +1;

+end

+q =0;

+while ( bb >0)

+      x = modulo ( bb ,2) ;

+      b = b + (10^ q ) * x ;

+    bb = bb /2;

+      bb = floor ( bb ) ;

+      q = q +1;

+end

+printf ( '\nThe binary equivalent of first no is %f\n \n ' ,b ) ;

+printf ( 'The binary equivalent of second no is %f\n\n' ,a ) ;

+for i =1:40

+      a1 ( i ) = modulo (a ,10) ;

+      a = a /10;

+      a = round ( a ) ;

+      b1 ( i ) = modulo (b ,10) ;

+      b = b /10;

+      b = round ( b ) ;

+end

+bro (1) =0;

+for i =1:40

+      c1 ( i ) = a1 ( i ) - b1 ( i ) - bro ( i ) ; 

+//finding the difference of the given inputs//

+      if c1 ( i ) == -1 then

+             bro ( i +1) = 1;

+             c1 ( i ) =1;

+      elseif c1 ( i ) == -2 then

+               bro ( i +1) = 1;

+             c1 ( i ) =0;

+

+else

+bro ( i +1) =0;

+end

+end

+re =0;

+format ( 'v' ,18) ;

+for i =1:40

+       re = re +( c1 ( i ) *(10^( i -1) ) )

+end

+printf ( ' The diference of given two numbers is %f\n\n ' , re ) ;

+q =1;

+b =0;

+f =0;

+a = re ;

+while (a >0)

+       r = modulo (a ,10) ;

+       b (1 , q ) = r ;

+       a = a /10;

+       a = floor ( a ) ;

+       q = q +1;

+end

+for m =1: q -1

+         c =m -1

+       f = f + b (1 , m ) *(2^ c ) ;

+end

+hex = dec2hex ( f ) ;

+printf ( ' Difference in decimal notation is %d\n\n ' ,f ) ; 

+//displaying the results//

+printf ( ' Difference in hexadecimal notation is %s \n ' , hex ) ;