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Page 323



		7 Functions



		GOALS



		To be able to write a program that uses functions to reflect the structure of your top-down design.



		To be able to write a module of your own design as a void function.



		To be able to define a void function to do a specified task.



		To be able to distinguish between value and reference parameters.



		To be able to use actual and formal parameters correctly.



		To be able to do the following tasks, given a top-down design of a problem:



		Determine what the formal parameter list should be for each module.



		Determine which formal parameters should be reference parameters and which should be value parameters.



		Code the program correctly.



		To be able to define and use local variables correctly.



		To be able to write a program that uses multiple calls to a single function.

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