--> //initializations

--> t=12 //m (thickness of confined aquifer)
 t  = 

   12.


--> q=0.03 //m^2/sec (discharge)
 q  = 

   0.03


--> k=1.5*10^-3 //m/sec (coefficient of permeability)
 k  = 

   0.0015


--> p=2000 //(R/rw ratio)
 p  = 

   2000.


--> //calculations

--> y=(q*log(p))/(2*%pi*k*t) //(drawdown height)
 y  = 

   2.016202


--> //results

--> printf('drawdown height from the centre of the well=%f',y) //m
drawdown height from the centre of the well=2.016202
