List of Articles Jacobi polynomials Open Access Article Abstract Page Full-Text 1 - Jacobi Operational Matrix Approach for Solving Systems of Linear and Nonlinear Integro-Differential Equations Khadijeh Sadri Zainab Ayati Open Access Article Abstract Page Full-Text 2 - Collocation method for solving systems of fractional differential equations; a case study of HIV infection by using Muntz wavelets basis Maryam Bahmanpour