List of Articles Operational matrix Open Access Article Abstract Page Full-Text 1 - Application of triangular functions for solving the vasicek model Z. Sadati Kh. Maleknejad 20.1001.1.22520201.2015.04.03.2.8 Open Access Article Abstract Page Full-Text 2 - A Chebyshev functions method for solving linear and nonlinear fractional differential equations based on Hilfer fractional derivative M. H. Derakhshan A. Aminataei 20.1001.1.22520201.2020.09.04.2.5