# Formula

Formula Field are calculated using JSONata and can refer to other fields in the Microapp. The result of the calculation is displayed in the field. An example of a Formula Field is a running tally.

For examples on the formulas, please see [example formulas](https://docs.buzzy.buzz/the-building-blocks/datatables-fields-and-data/formulas) 

### Settings

The calculation is specified using [JSONata](https://jsonata.org/).

The output of the calculation can be displayed as:

* Text
* Number
* Currency
* Date
* [FonteAwsome 4](https://fontawesome.com/)

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