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Nine Tools for Collaboratively Cre. Mind maps or graphic organizers can be invaluable tools for visual thinkers and visual learners. The process of creating a mind map can help students gain an overview perspective on complex, multifaceted concepts. Mind maps can also help students outline an essay or story they're planning to write. The following list contains nine tools that can be used by students to create mind maps independently or collaboratively. Wise Mapping is a free collaborative mind mapping tool. Wise Mapping has fairly easy to use editing and sharing functions. Slatebox is a slick tool for collaboratively creating mind maps and organizational charts. Bubbl.us is a free mind mapping/ graphic organization tool that allows users to collaboratively create and edit mind maps.

FlockDraw is a simple service that allows people to quickly and easily collaborate on the creation of a drawing. Cacoo is a feature-rich collaborative diagram creation resource. Exploratree is a free graphic organizer creation tool. Free Calculus Ebooks « Mathematics and Multimedia. AMIII - LEAero, LEBiom, LEFT, LMAC, LCI. Matematica Essencial para o Ensino Fundamental, Medio e Superior. WebCalc. Transformada de Laplace e aplicações. Next: Sinais de excitação e Up: ac Previous: Exemplos Contents Transformada de Laplace e aplicações A utilidade da Transformada de Laplace (TL) decorre da necessidade de representar funções temporais no domínio da frequência complexa ou plano complexo, no qual a variável, geralmente designada pela letra ou , é uma variável complexa 1. Devido à utilidade da TL na manipulação de funções de variável complexa, tornou-se um utensílio essencial na análise e na síntese de sistemas lineares.

Subsections. Wolfram MathWorld: The Web's Most Extensive Mathematics Resource.