What does find the value of expression mean?
A value expression is a mathematical equation that returns a numeric (real or integer) result. The expression consists of a set of operators, functions and keywords. Value expressions are typically used in a network plot to proportionately size a network element based on the expression result. A value expression may also be a multi-value expression. This is one where more than one value result is calculated, and is used to display and compare multiple values for a node or link. The expressions of a multi-value expressions are separated by a semi-colon “;”.
