> For the complete documentation index, see [llms.txt](https://documentation.astera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.astera.com/astera-data-stack-v10/functions/math/max-real.md).
# Max (Real)
| **Name** | ***Max (Real)*** |
| ----------- | ---------------------------------------------------------------------------------------- |
| Syntax | Max (Real first, Real second) |
| Purpose | To return the greater of two real values. |
| Description | Returns the maximum of two real values. |
| Return Type | Real |
| Parameters |
first \[System.Double] – First value
second \[System.Double] – Second value
|
**Example**
In this example, we are passing real values to the function transformation object using a *Variables* object.
Where,
*first* = -1234
*second* = 4.321
In the output window, you can see that the greater real value has been returned.
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