%0 Journal Article %A Haryono Tandra %T On computing the derivative of a function %J The Teaching of Mathematics %D 2013 %P 6 %V XVI %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM2_2013_XVI_1_a1/ %G en %F TM2_2013_XVI_1_a1