| INT() | Convert a numeric value to an integer |
| ISALPHA() | Determine if the leftmost character in a string is alphabetic |
| ISCOLOR() | Determine if the current computer has color capability |
| ISDIGIT() | Determine if the leftmost character in a character string is a digit |
| ISFIELD() | Checks if a varialbe name is a field name of DB. |
| ISFUNCTION() | Checks if a varialbe name is a function name. |
| ISLOWER() | Determine if the leftmost character is a lowercase letter |
| ISMEMVAR() | Checks if a varialbe name is a memory variable name. |
| ISPRINTER() | Determine whether LPT1 is ready |
| ISUPPER() | Determine if the leftmost character in a string is uppercase |
| L2BIN() | Convert a xClipper numeric value to a 32-bit binary integer |
| LASTKEY() | Return the INKEY() value of the last key extracted from the keyboard buffer |
| LASTREC() | Determine the number of records in the current .dbf file |
| LEFT() | Extract a substring beginning with the first character in a string |
| LEN() | Return the length of a character string or the number of elements in an array |
| LIKE() | Check confirmity string to simple mask. |
| LOAD() | Load byte-code file or dynamic library. |
| LOADBLOCK() | Load byte-code file. |
| LOG() | Calculate the natural logarithm of a numeric value |
| LOWER() | Convert uppercase characters to lowercase |
| LTRIM() | Remove leading spaces from a character string |
| LUPDATE() | Return the last modification date of a database (.dbf) file |
| MAKEPATH() | Returns path to file in UNIX style. |
| MAP() | Create new empty object (associative array) |
| MAPGET() | Get value from associated array by its key. If specified key is not found, value <defVal> is returned. |
| MAPKEYS() | Under construction |
| MAPMODIFY | Include/exclude control mode for attributes changing. |
| MAX() | Return the larger of two numeric or date values |
| MAXCOL() | Determine the maximum visible screen column |
| MAXROW() | Determine the maximum visible screen row |
| MCOL() | Determine the mouse cursor's screen column position |
| MDBLCLK() | Determine the double-click speed threshold of the mouse |
| MEMOEDIT() | Display or edit character strings and memo fields |
| MEMOLINE() | Extract a line of text from a character string or memo field |
| MEMOREAD() | Return the contents of a disk file as a character string |
| MEMORY() | Determine the amount of available free pool memory |
| MEMOTRAN() | Replace carriage return/linefeeds in character strings |
| MEMOWRIT() | Write a character string or memo field to a disk file |
| MEMVARBLOCK() | Return a set-get code block for a given memory variable |
| MEMVARGET() | Returns MEMVAR value. |
| MEMVARSET() | Sets MEMVAR value. |
| MENUMODAL() | Activate a top bar menu |
| MHIDE() | Hide the mouse pointer |
| MIN() | Return the smaller of two numeric or date values |
| MLCOUNT() | Count the number of lines in a character string or memo field |
| MLCTOPOS() | Return the byte position of a formatted string based on line and column |
| MLEFTDOWN() | Determine the press status of the left mouse button |
| MLPOS() | Determine the position of a line in a character string or memo field |
| MOD() | Return the modulus of two numbers |
| MONTH() | Convert a date value to the number of the month |