Introduction to program flow

This section aims to describe the ways in which a program can be made more useful by making decisions and repeating sections of code (loops).

The next two sections will describe how to use If and Select structures to make decisions based on the value of some expression and change what section of code gets executed.

Following that, the different loop types (For, While and Repeat) will be described and examples given on their operation. The loops will cause a section of code to be repeated based on the value of some expression.

Nested loops (loops inside other loops) will then be discussed. Finally, different methods for jumping around your source (changing the place of code execution) will be described.

Previous Programming contents Next: If...Then...Else...Endif decisions

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Page last modified: 2nd February 2002