El rincón de la pizarra

Este libro sintetiza, de múltiples maneras, el esfuerzo de largos años de un grupo de investigación que ha entendido a la matemática educativa como disciplina científica con un fuerte compromiso social. Esta obra es fruto del talentoy de la entrega de su autora.═NDICE RESUMIDO: Problematizando el saber matemático escolar. Análisis del discurso trigonométrico escolar. El conocimiento trigonométrico en un escenario histórico. Una construcción social del conocimiento trigonométrico. Elementos para el rediseño del discurso trigonométrico escolar.Gisela Montes Espinosa es doctora...

La sociedad de consumo, en la que estamos inmersos, es compleja y heterogénea, pero sobre todo dinámica y siempre difícil de ser aprehendida por el espectador. También para el investigador social que a través de una fuente de datos, que a su vez debe verificar, tratará de ajustar las técnicas y métodos de la estadística a este dinamismo. En este libro la estadística descriptiva y la inferencial aúnan sus variables para complementar, analizar e inferir los numerosos e imprevistos eventos sociales, tanto en el quehacer cotidiano como en el devenir cíclico. Todo bajo la perspectiva...

The principal objective of the author when writing this book is to offer a book that the students will enjoy to read, at the same time learning concepts of algebra, for which brief sentences, clear explanations and lots of examples full of details are used. Various changes are included in this sixth edition: the topic of addition and subtraction of fractions has been improved, the introduction of solving equations with fractions, and they have added new examples and exercises.

Pedro Nunes played a major part in the discovery of the world by Portuguese mariners. In this book, his mathematical and scientific achievements are described, together with evidence on his life and friends arising from a collection of his Greek and Latin poems, and from religious notes he composed during his later years. An English version of his long-lost Portuguese algebra is included, as well as poems and letters by his friends translated into English for the first time. These discoveries came from a manuscript recently found in the municipal library of Evora, the perfectly preserved...