Characteristics (3/3)
Object-oriented interface, e.g.
$vec1->intersection($vec2,$vec3);
Optionally(*) provides overloaded operators
- one set of operands for set operations, e.g.
- one set of operands for big integer math, e.g.
(*): will be optional in version 6.0 (for improved loading
speed of "plain" module), is always loaded now