How To Solve It by George Pólya

A New Aspect of Mathematical Method

A concise guide to mathematical problem-solving that presents a clear four-step approach—understand the problem, devise a plan, carry out the plan, and look back—and a toolbox of heuristics such as simplifying, drawing diagrams, trying special cases, working backwards, and using analogies; it focuses on cultivating habits of thought, intuition, and reflection through practical examples and questions so readers learn how to approach unfamiliar problems creatively and effectively.

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