Constants
The following constants are specified or recognized by CATIA when programming rules and checks. As a result, they can be used anywhere in a relation in place of the actual values.
 | false - one of the two values that a parameter of type Boolean can have |
| true - one of the two values that a parameter of type Boolean can have |
| PI - 3.14159265358979323846 - The ratio of the circumference of a circle to its diameter. |
| E - The base of natural logarithm - The constant e is approximately 2.718282. |
