User talk:Irfan hakak

irfan hakak,s formulae for deway decimal classification(ddc) 1.genralities(000)=G 2.phylosphy(100)=P 3.religion(200)=R 4.social science(300)=S 5.language(400)=looks 6.pure science(500)=presentable 7.technology(600)=technology 8.arts(700)=artists 9.literature(800)=london 10.history and geography(900)=holland irfan,s formulae:GPRS looks presentable technology for the artists of london and holland conclusion:this formulae is having menomonic value(rembrance)for users.