Dhanushaaptha bhuktha jeevaghaathe labdham

saroopakam dalitham labdaghna vivarahatham

cha samsodhya niyogya vikalajyaa

  In modern mathematical form this interpolation formula can be written as f(x) = f(xi)+ (x-xi)1/h Df(xi-h) + (x-xi)1/h. (x-xi+h)1/h. D2f(xi-h)½.  ]]>