M. Movahedian - Department of Science, Quchan Branch, Islamic Azad University, Quchan, Iran
S. Salahshour - Department of Mathematics, Science and Research Branch, Islamic Azad University, Tehran, Iran
S. Haji Ghasemi - Department of Mathematics, Science and Research Branch, Islamic Azad University, Tehran, Iran
S Khezerloo - Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran

In this paper we nd solution of linear interval equation in dual form based on the generalizedprocedure of interval extension which is called interval extended zero method.Moreover, proposed method has signicant advantage, is that it substantially decreasesthe excess width eect.