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Nowadays the Science progress depends on the numerical calculus, due to thepossibility of obtention of solutions using simulations which would beimpracticable, or even impossible, to be analitically obtained. In this aspect,it becomes important to dominate the fundamental tools of numerical calculusapplied to some programming language, Fortran for example. In this work wepresented few basic concepts of the Fortran 77. We show how this concepts canbe applied in the simulation and analysis of physical systems, trying to offera first contact, a guide, with this programming language. We presented theconstruction of routines that model the behavior of spring-mass system,trigonometric functions and a more complex system, the standart map. Wepresented a discussion about meaningful learning involving physical conceptsand programming in Fortran.

Aprendizagem significativa atrav\'es da modelagem computacional de  sistemas f\'isicos (Meaningful learning through computational modeling of  physics systems)