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+//Chapter-15, Example 15.9, Page 497
+//=============================================================================
+clc
+clear
+//CALCULATIONS
+//using 1's complement method
+x1=base2dec(['1111'],2)//converting binary to decimal
+x=bin2dec('1010')
+x2=dec2bin(bitcmp(x,4))//1's complement of a number
+disp(x2)
+x3=base2dec([x2],2)
+x4=x1+x3+1;
+x5=dec2base(x4,2)//converting decimal to hexadecimal
+disp(x5)
+y=15;
+z=bitand(x4,y);//eliminating carry
+z2=dec2base(z,2)//converting decimal to binary
+disp(z2)
+//using normal method
+a=base2dec(['1111','1010'],2);//converting binary to decimal
+b=a(1)-a(2);//subtraction
+c=dec2base(b,2)//converting decimal to binary
+disp(c)
+//=================================END OF PROGRAM=======================================================================================================