Bouabdellah, ABED2025-06-302025-06-302025-06-30https://dspace.univ-usto.dz/handle/123456789/699This educational document provides an introduction to computer programming using FORTRAN 77, one of the earliest high‐level programming languages designed specifically for scientific and engineering computations. Despite its age, FORTRAN remains widely used in fields such as physics, computational chemistry, engineering simulations, and numerical weather prediction due to its exceptional efficiency in mathematical and array‐based computations.FORTRAN 77Scientific ComputingStructured Programmingcomputational algorithmsWorking Paper