//Example 5.3
clc                                                                     //clears the command window .
clear                                                                   //clears all the variables .
format('v',18);                                                         //increasing the precision to 18 .
n=2; /// given 2 mb
dec = n * 2^20 ; 
printf("The decimal equivalent of 2Mb is = %f ",dec);                                                           //displaying the value.