--> //initializations

--> Ms=68 //gm (dry soil weight)
 Ms  = 

   68.


--> V=40 //ml (volume)
 V  = 

   40.


--> G=2.65  // (specific gravity)
 G  = 

   2.65


--> Dw=1 //gm/ml  (density of water)
 Dw  = 

   1.


--> //calculations

--> Dd=Ms/V //gm.ml (dry density)
 Dd  = 

   1.7


--> Vs=Ms/(G*Dw) //ml (volume of solids)
 Vs  = 

   25.660377


--> Vv=V-Vs //ml (volume of voids)
 Vv  = 

   14.339623


--> e=Vv/Vs //(void ratio)
 e  = 

   0.5588235


--> //result

--> printf('void ratio=%f',e)
void ratio=0.558824
