International Journal of Neutrosophic Science IJNS 2690-6805 2692-6148 10.54216/IJNS https://www.americaspg.com/journals/show/3173 2020 2020 Faculty of Computer Studies, Arab Open University, Saudi Arabia Ahmad Ahmad Department of Mathematics, Faculty of Science and Information Technology, Jadara University, P.O. Box 733, Irbid 21110, Jordan Raed Hatamleh Faculty of Computer Studies, Arab Open University, Saudi Arabia Khaled Matarneh Department of Mathematics, Faculty of Science and Technology, Irbid National University, P.O. Box: 2600 Irbid, Jordan; Jadara Research Center, Jadara University, Irbid 21110, Jordan Abdallah Al Al-Husban The main goal of this work is to study the effect of applying Lagrange's polynomials on finding the numerical solutions of many different neutrosophic boundary value problems, where we use those polynomials to solve three different neutrosophic boundary value problems numerically, and we present many numerical tables to compare the accuracy of the solutions obtained by Lagrange's polynomials with other famous methods such as Adomian's method. 2025 2025 197 205 10.54216/IJNS.250217 https://www.americaspg.com/articleinfo/21/show/3173