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DrRacket has lots of other features, including a complete manual. We'll explore more of DrRacket in later labs, and we encourage you to explore, but there's no need to learn all its features. Read the DrScheme Tips and Traps page for helpful information on common mistakes, error messages, etc.
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Step-by-step Evaluation
While DrRacket evaluates our Scheme programs for us, it is also important for us to understand the process of evaluation. The details of evaluation will be covered in class. Here in lab, we want to explore two useful tools to help us:
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