clc
//Intialisation of variables
s=30
LC=0.5 // since LC= 30 secs which means 0.5 min
//Caluculation of variable
n=s/LC
x=n-1
//Results
printf (' %f',x)
printf (' such primary divisions should be taken for the length of the vernier scale and then divided into %2f parts for a direct vernier',n )