| A2EDIT() | Browse 2D array in a table layout |
| AADD() | Add a new element to the end of an array |
| ABS() | Return the absolute value of a numeric expression |
| ACHOICE() | Execute a pop-up menu |
| ACLONE() | Duplicate a nested or multidimensional array |
| ACOPY() | Copy elements from one array to another |
| ADDSLASHES() | Returns string with slashes (\). |
| ADEL() | Delete an array element |
| ADIR() | Fill a series of arrays with directory information |
| AEVAL() | Execute a code block for each element in an array |
| AFIELDS() | Fill arrays with the structure of the current database file |
| AFILL() | Fill an array with a specified value |
| AINS() | Insert a NIL element into an array |
| ALERT() | Display a simple modal dialog box |
| ALIAS() | Return a specified work area alias |
| ALLTRIM() | Remove leading and trailing spaces from a character string |
| ARRAY() | Create an uninitialized array of specified length |
| ASC() | Convert a character to its ASCII value |
| ASCAN() | Scan an array |
| ASIZE() | Grow or shrink an array |
| ASORT() | Sort an array |
| AT() | Return the position of a substring within a character string |
| ATAIL() | Return the highest numbered element of an array |
| BETWEEN() | Check value. |
| BIN2I() | Convert a 16-bit signed integer to a numeric value |
| BIN2L() | Convert a 32-bit signed integer to a numeric value |
| BIN2W() | Convert a 16-bit unsigned integer to a numeric value |
| BOF() | Determine when beginning of file is encountered |
| BROWSE() | Browse records within a window |
| BUNZIP2() | Uncompress string with BZIP2 alghoritm. |
| BZIP2() | Compress string with bZIP2 alghoritm. |
| BZIP2CLOSE() | Close bZIP2 file. |
| BZIP2OPEN() | Open bZip2 file. |
| BZIP2READ() | Read data from bZIP2 file. |
| BZIP2WRITE() | Write data to bZIP2 file. |
| CDOW() | Convert a date value to a character day of the week |
| CHR() | Convert an ASCII code to a character value |
| CLIP() | Evaluate function. |
| _CLIP_PARND() | Retrieve a numeric parameter as a double. |
| _CLIP_PARNI() | Retrieve a numeric parameter as an integer. |
| _CLIP_PARNL() | Retrieve a numeric parameter as a long. |
| _CLIP_RETND() | Post a numeric return value using a double type. |
| _CLIP_RETNI() | Post a numeric return value using an int type. |
| _CLIP_RETNL() | Post a numeric return value using a long type. |
| _CLIP_STORND() | |
| _CLIP_STORNI() | |
| _CLIP_STORNL() | |
| CMONTH() | Convert a date to a character month name |
| CODB_CLOSE | Disconnect from CODB databases. |
| CODB_CONNECT | Connect to CODB databases. |