BUILT-IN MATHEMATICA SYMBOL
is an option for Cell that specifies whether the cell should be tagged to be evaluated by the Mathematica kernel immediately before the first evaluation performed by the user after the notebook is opened.
- Additional front end options determine the precise behavior of initialization cells when a notebook is opened.
Create and save a notebook that has an input cell marked as initialization:
Initialization cells are useful when you reopen the saved notebook:
You can use to evaluate initialization cells:
Or, when you evaluate any cell, Mathematica asks if you want to evaluate the initialization cells:
If you choose Yes, initialization cells are evaluated:
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