List of Articles Orthogonal polynomials Open Access Article Abstract Page Full-Text 1 - A numerical method based on Chelyshkov polynomials for solving fractional integro-differential equations Reza Dehghan Open Access Article Abstract Page Full-Text 2 - یک روش عددی برای حل معادلات انتگرال نوع سوم توسط چند جمله ای های کرال پروانه جمی الهام هاشمی زاده 10.30495/ijim.2022.19201 Open Access Article Abstract Page Full-Text 3 - Numerical solution of integro-differential equations via pertubed-Gegenbauer, Jacobi polynomials and Galerkin method Kazeem Issa Kazeem Aliu Kazeem Arokoola Kazeem Micah Open Access Article Abstract Page Full-Text 4 - Spectral Methods Using a Finite Class of Orthogonal Polynomials Related to Inverse Gamma Distribution Amir Hossein Salehi Shayegan