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## Chapter Goals

- To understand integer and floating point numbers
- To write arithmetic expressions in C++
- To appreciate the importance of comments and good code layout
- To be able to define and initialize variables and constants
- To recognize the limitations of the `int` and `double` types and the overflow and roundoff errors that can result
- To be able to change the values of variables through assignment
- To use the standard C++ `string` type to define and manipulate character strings
- To be able to write simple programs that read numbers and text, process the input, and display the results

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