List of Articles order Open Access Article Abstract Page Full-Text 1 - λ-Symmetry method and the Prelle-Singer method for third-order differential equations Khodayar Goodarzi Open Access Article Abstract Page Full-Text 2 - Optimal parametric families of derivative free iterative structures for locating nonlinear equation solution Oghovese Ogbereyivwe Salisu Umar Open Access Article Abstract Page Full-Text 3 - Efficiency the concept effective order & combination of Runge-Kutta Methods Razieh Ketabchi 20.1001.1.25382217.2022.16.1.8.4 Open Access Article Abstract Page Full-Text 4 - Order Reduction and μ-Conservation Law for the Non-Isospectral KdV Type Equation a with Variable-Coefficients Khodayar Goodarzi Open Access Article Abstract Page Full-Text 5 - Some notes concerning the convergence control parameter in homotopy analysis method M. Paripour J. Saeidian Open Access Article Abstract Page Full-Text 6 - Numerical solution of seven-order Sawada-Kotara equations by homotopy perturbation method M. Ghasemi A. Azizi M. Fardi Open Access Article Abstract Page Full-Text 7 - Analytic Solution of Fuzzy Second Order Differential Equations under H-Derivation Laleh Hooshangian