--> //initializations

--> Ms=50 //gm (mass of dry sample)
 Ms  = 

   50.


--> V=1000 //ml (distilled water to prepare suspension)
 V  = 

   1000.


--> Vh=62 //ml (volume of hydrometer)
 Vh  = 

   62.


--> A=55 //cm^2 (area of cross-section)
 A  = 

   55.


--> t=5 //min (time)
 t  = 

   5.


--> G=2.68 //(specific gravity)
 G  = 

   2.68


--> n=9.81 //milli poise (coefficient of viscosity)
 n  = 

   9.81


--> d=150 //mm (diameter of the sphere)
 d  = 

   150.


--> R=25 // (reading of hydrometer)
 R  = 

   25.


--> //calculations

--> p=n/1000 //(coefficient of viscosity)
 p  = 

   0.00981


--> He=15-(Vh/(2*A)) //(depth)
 He  = 

   14.436364


--> D=sqrt (0.3*p*He)/(g*(G-1)*t) //(diameter of the sphere)
 D  = 

   0.0025014


--> N=(G/(G-1))*(V/Ms)*(R/1000)*100 //(coordinates of the point)
 N  = 

   79.761905


--> //results

--> printf('coordinate of the point=%f',N) //%
coordinate of the point=79.761905