| AADD() | Dynamically add an element to an array |
| ACHOICE() | Allows selection of an element from an array |
| ACLONE() | Duplicate a multidimensional array |
| ACOPY() | Copy elements from one array to another |
| ADEL() | Delete an element form an array. |
| ADIR() | Fill pre-defined arrays with file/directory information |
| AEVAL() | Evaluated the subscript element of an array |
| AFILL() | Fill an array with a specified value |
| AINS() | Insert a NIL value at an array subscript position. |
| ARRAY() | Create an uninitialized array of specified length |
| ASCAN() | Scan array elements for a specified condition |
| ASIZE() | Adjust the size of an array |
| ASORT() | Sort an array |
| ATAIL() | Returns the rightmost element of an array |