Mathematica is a very large and seemingly complex system. It contains hundreds of functions for performing various tasks in science, mathematics, and engineering. It has its own language with well-defined rules and syntax. In this preliminary chapter, we will give some of the basic information that users of Mathematica need to know such as how to start Mathematica, how to get out of it, how to enter simple inputs and get answers, etc. In addition, we will give a hint of the internal structure of this system in order to begin the process of understanding what this book is all about — the Mathematica programming language.
KeywordsCommand Line Menu Item Wolfram Research Canonical Order Textual Interface
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