| Function | What It Returns |
| Array(arglist) | A Variant array containing the values in arglist. |
| CallByName(object,procname, etc.) | The value of the procname property of the specified object. Also can run the object's procname method. |
| Choose(index, choice1, etc.) | A value from a list of choices. |
| CreateObject(class) | An Automation object of type class. |
| DoEvents | Yields execution to the operating system so that it can process pending events from other applications (such as keystrokes and mouse clicks). |
| Environ(envstring|number) | A String value that represents the operating system environment variable given by envstring or number. |
| Format(expression, format) | The expression, as a Variant, according to the string format. |
| Format$(expression, format) | The expression, as a String, according to the string format. |
| FormatCurrency(Expression, etc.) | Expression formatted as a currency value. |
| FormatDateTime(Date, NamedFormat) | Date formatted as a date or time value. |
| FormatNumber(Expression, etc.) | Expression formatted as a numeric value. |
| FormatPercent(Expression, etc.) | Expression formatted as a percentage value. |
| GetAllSettings(appname, section) | All the settings in the specified section of the Registry. |
| GetObject(pathname, class) | The Automation object given by pathname and class. |
| GetSetting(appname, etc.) | A setting from the Registry. |
| IIf(expr, truepart, falsepart) | The truepart value if expr is True; returns falsepart otherwise. |
| Input(number, #filenumber) | number characters, as a Variant, from the I/O file given by filenumber. |
| Input$(number, #filenumber) | number characters, as a String, from the I/O file given by filenumber. |
| InputB(number, #filenumber) | number bytes, as a Variant, from the I/O file given by filenumber. |
| InputB$(number, #filenumber) | number bytes, as a String, from the I/O file given by filenumber. |
| InputBox(prompt, etc.) | Prompts the user for information. |
| IsArray(varname) | True if varname is an array. |
| IsDate(expression) | True if expression can be converted into a date. |
| IsEmpty(expression) | True if expression is empty. |
| IsError(expression) | True if expression is an error. |
| IsMissing(argname) | True if the argument specified by argname was not passed to the procedure. |
| IsNull(expression) | True if expression is the null string (""). |
| IsNumeric(expression) | True if expression is a number. |
| IsObject(expression) | True if expression is an object. |
| LBound(arrayname, dimension) | The lowest possible subscript for the array given by arrayname. |
| MsgBox(prompt, etc.) | The button a user selects from the MsgBox dialog box. |
| Partition(number, start, stop,...) | A String that indicates where number occurs within a series of ranges. |
| QBColor(color) | The RGB color code that corresponds to color (a number between 1 and 15). |
| RGB(red, green, blue) | The color that corresponds to the red, green, and blue components. |
| Switch(expr1, value1, etc.) | Evaluates the expressions (expr1 and so on) and returns the associated value (value1 and so on) for the first expression that evaluates to True. |
| Tab(n) | Positions output for the Print # statement or the Print method. |
| TypeName(varname) | A string that indicates the data type of the varname variable. |
| UBound(arrayname, dimension) | The highest possible subscript for the array given by arrayname. |
| VarType(varname) | A constant that indicates the data type of the varname variable. |
