List of Articles Optimal order Open Access Article Abstract Page Full-Text 1 - A new optimal method of fourth-order convergence for solving nonlinear equations مهری پریرخ Open Access Article Abstract Page Full-Text 2 - A new optimal method of fourth-order convergence for solving nonlinear equations T. Lotfi Open Access Article Abstract Page Full-Text 3 - A new iterative with memory class for solving nonlinear equations P. ‎Bassiri‎ P. Bakhtiari‎‎ S. Abbasbandy‎ Open Access Article Abstract Page Full-Text 4 - Optimal parametric families of derivative free iterative structures for locating nonlinear equation solution Oghovese Ogbereyivwe Salisu Umar Open Access Article Abstract Page Full-Text 5 - Optimal ordering quantities for substitutable deteriorating items under joint replenishment with cost of substitution Vinod Kumar Mishra