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- Interactive introduction to first-order ordinary differential and its applicationsPublication . Coelho, Celestino; Marreiros, Rui; Conceição, Ana C.Differential equations constitute a large and very important branch of modern mathematics. From the early days of the calculus this subject has been an area of great theoretical research and practical applications in several branches of science. Despite this importance, the largest part of the students reveals strong difficulties to understand the theory of differential equations and its applications. As a consequence of what was mentioned above we decided to create a new educational tool that accomplishes some of those goals, describing how this dynamic device can be used in the classroom when teaching the first approach of the first- order Ordinary Differential Equations (ODEs).
- Solving second-order linear ordinary differential equations by using interactive softwarePublication . Coelho, Celestino; Marreiros, RuiDifferential equations constitute an area of great theoretical research and applications in several branches of science and technology. The scope of this work is to present new software that is able to show all the steps in the process of solving a linear second-order ordinary differential equation with constant coefficients.