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Useful site to supplement your text and classroom work. Short clear explanations and interactive exercises to check your understanding.

Free tutorials using java applets to explore, interactively, important topics in precalculus such as quadratic, rational, exponential, logarithmic, trigonometric, polynomial, absolute value functions and their graphs. Equations of lines, circles, ellipses, hyperbolas and parabolas are also explored interactively. Graph shifting, scaling and reflection are also included. The definition and properties of inverse functions are thoroughly investigated. A graphical approach to 2 by 2 systems of equations is included.

Outstanding resource for high school algebra,american government, AP biology,calculus,environmental science,physics,religion,and us history. Multimedia materials for differentiation and engagement. Interactive with full course materials. Added bonus: register as a teacher and customise the course materials and then we can add a link to your teacher website or the internet resources page.

The design and development of LeActiveMath learning content aims at advancing e-learning in high schools by following a sound constructivist pedagogical approach providing a learning experience tailored to the needs of the students. ActiveMath is an intelligent learning environement that adapts to your mastery level: It tries to estimate your current knowledge, among others depending on the exercises you solved, the texts you read, etc.This book is an introduction into differential calculus. Using a hiking tour as an example, we successively introduce the notions "difference quotient", "derivative", and "derivative function". Finally, the most important rules of differentiation are treated.
Note that some of the examples and exercises in this book are generated automatically, based on the data (fields of interest, state of knowledge, etc.) in your learner model. So every user gets his own individually adapted version of this book.

All applets are visual and animation-oriented. Moving figures on the screen help students to grasp the meaning of mathematical ideas intuitively.

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