| A variable is used to store information. Each variable has a name and a value (i.e. the data it contains). Opus includes some System variables as well as allowing you to create your own User variables. |
| System variables are built-in (ready-to-use) variables e.g. to store scores for the internal scoring facility and to provide access to the system time and date. |
| User variables are created by you e.g. to store a user’s name or password. |
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