| 2.7.3 Commands and Functions for FUNCTION |
| CallOnGroebnerFanIdeals | apply a function to Groebner fan ideals |
| MaxBy | a maximum element of a list |
| MinBy | a minimum element of a list |
| ref | passing function parameters by reference |
| return | exit from a function |
| SortBy | sort a list |
| SortedBy | sort a list |
| TopLevel | make a top-level variable accessible inside a function |