names
Naming rules for variables and functions
Description
Names of variables and functions must begin with a letter or one of
            the following special characters: % _ # ! ? $.
            Next characters may be letters, digits, or any special character among
            _ # ! $ ?.
Upper and lower case letters are different.
Multilingual UTF-8 characters are accepted. Names may be as long as you want.
|  | _is reserved to ignore an output argument assignment. | 
Examples
History
| Version | Description | 
| 2024.0.0 | The underscore `_` variable is reserved, it is used to ignore a function output argument. | 
| 6.0 | 
 | 
| Report an issue | ||
| << isglobal | Variables | predef >> |