System global variables

Global Variables with prefix SYS_

Creating your own global variables

Global Variables with prefix GLV_

How types are given to global variables

Global Variables

How the dates are handled to support cultures

It depends on the Control panel>Regional settings and the Cell Format

Setting global variables from the overhead workbook

Use empty cell in an overhead workbook's user sheet. Consumption of Variables

When are they evaluated?

On clicking the icons Compute Costs/Compute All (Defining Return Values)

Setting global variables from management tools

The Promo+ variables are evaluated in various ways (How to Update an Estimate)

Using global variables anywhere

The global variables can be consumed in Reports, Expanded WBS's free columns, In-row workbook, etc.

Avoiding recursion

Be careful when using global variables with formulas