Writing your own macros

A more powerful way of creating macros is to write your own. The principles are described in the macro user guide.

Macros enable you to:

• Construct expressions.

• Use expressions to control macro flow.

• Use a range of relational operators.

• Evaluate both expressions.

• Assign values to variables and parameters by using assignments.

Click Help > Documentation > Parameters > Reference > Functions to list all the standard functions you can use in macros.