Data Management Capabilities > Managing Part Structures > Windchill Options and Variants Capabilities > Creating and Managing Enterprise-wide Definitions > Defining Global Rules for Options and Choices > Conditional Rules > Creating a Conditional Rule > Using Numeric Choices
  
Using Numeric Choices
Consider the following information about using numeric choices in expressions:
• You can use numeric choices in expressions for conditional rules, advanced assigned expressions, and aliases. You can use the following operators with numeric choices:
◦ AND
◦ OR
◦ !
◦ <
◦ >
◦ <=
◦ >=
• Numeric choices can be referenced by either name or number.
• You can build more complex expressions by combining elemental expressions, as shown in the following example:
Frame Size >= FS18 + Frame Size <= FS28) / (Wheel Base >= WB25 + Wheel Base <= WB35