List of Articles Jacobi polynomials Open Access Article Abstract Page Full-Text 1 - Numerical solution of nonlinear fractional pantograph differential equations with boundary conditions using Jacobi polynomials Somayeh Nemati Faezeh Bakouei Open Access Article Abstract Page Full-Text 2 - 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 3 - APPLICATION OF FUZZY EXPANSION METHODS FOR SOLVING FUZZY FREDHOLM- VOLTERRA INTEGRAL EQUATIONS OF THE FIRST KIND Sh. S. Fallah Jelodar T. Allahviranloo S. Abbasbandy Open Access Article Abstract Page Full-Text 4 - Collocation method for solving systems of fractional differential equations; a case study of HIV infection by using Muntz wavelets basis مریم بهمن پور