# Number Field

Numeric fields are used to store numbers - negative or positive, with or without fractional part as it is configured for object field.

**Adding component**

* Virtual input field:  [Adding virtual fields to the form](/components/forms/components/add-and-remove-form-components.md#virtual-fields)
* Source object field: [Adding data source fields](/components/forms/components/add-and-remove-form-components.md#data-source-fields)

**Component properties**

* [Components Basic Properties](/components/forms/components/components-basic-properties.md)
* Virtual input field component properties:

<img src="/files/6Vrv0sxHowYbpap0YZWf" alt="" class="gitbook-drawing">

* Length - limits number of digits
* Decimal Places - indicate how many decimal places should be displayed
* Default Value - provide default value if needed. It can be actual number or merge field

**Validation rules:** [Input Number validation rules](/components/forms/components/components-validation-rules.md#number-field)

**Events:** [Form Input Events](/components/forms/tools/event.md#form-input-events)

**Conditional styles**

* [Form components conditional styling](/components/forms/basics/working-with-conditional-styles.md#configure-conditional-styles)
* This component has following conditional styles available:
  * hide
  * show
  * required
  * disable
  * clear


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