--> //initializations

--> wl=0.60 //(liquid limit)
 wl  = 

   0.6


--> ws=0.25 //(shrinkage limit)
 ws  = 

   0.25


--> Vl=10 //ml (volume of liquid)
 Vl  = 

   10.


--> Vs=6.4 //ml (volume of shrinkage)
 Vs  = 

   6.4


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

   1.


--> //calculations

--> Ms=(Vl-Vs)/(wl-ws) //(mass of solid particles)
 Ms  = 

   10.285714


--> G=1/(((Vs*Dw)/Ms)-ws) //(specific gravity)
 G  = 

   2.6865672


--> //results

--> printf('specific gravity of solids=%f',G) 
specific gravity of solids=2.686567