CALEB'S Functions PAGE

The phrase "This is an example of a built-in fuction." contains 41 characters.
This built-in fuction returns the number of characters in a string.
This is an example of a user-defined function.
This user-defined fuction prints a few lines of text.

Functions allow you to program complex tasks more easily. A function is a block of statements that can be used repeatedly in a program. A predefined and user defined function will look the same. The difference is that the user defined function will be defined in the source code.