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revised 9/26/98, 7/27/99, 01/17/00, 04/23/00, 02/11/04, 01/10/06, 07/20/08

CHAPTER 9 — Variables and Assignment Statements

In all but the smallest programs, an executing program is constantly working with values. These values are kept in little sections of main memory called variables.

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Do you imagine that a variable can change its value?