List of Articles Open Access Article Abstract Page Full-Text 1 - Perishable Inventory Model with Retrial Demands, Negative Customers and Multiple Working Vacations Vijaya Laxmi Pikkala Soujanya M.L. Open Access Article Abstract Page Full-Text 2 - A Note on Solving Prandtl's Integro-Differential Equation Atta Dezhbord Taher Lotfi Open Access Article Abstract Page Full-Text 3 - The Tau-Collocation Method for Solving Nonlinear Integro-Differential Equations and Application of a Population Model Atefeh Armand Zienab Gouyandeh Open Access Article Abstract Page Full-Text 4 - Numerical Solution of Nonlinear PDEs by Using Two-Level Iterative Techniques and Radial Basis Functions Sara Hosseini Open Access Article Abstract Page Full-Text 5 - Solving Differential Equations by Using a Combination of the First Kind Chebyshev Polynomials and Adomian Decomposition Method hasan barzegar kelishami Open Access Article Abstract Page Full-Text 6 - Approximation of a Fuzzy Function by Using Radial Basis Functions Interpolation Reza Firouzdor Majid Amirfakhrian