//Example 5.5
clc                                                                     //clears the command window 
clear                                                                   //clears all the variables 
format('v',18)                                                          //increasing the precision
n=32; // given 32 1's
dec=2^n - 1 ;
printf("The decimal equivalent of 32 bit number with all 1s is = %f ",dec);     // displaying the result