Remove the values after fraction

I have a Real value like this 230.23456789 . I want to remove the values after fraction.
Then the result will be shown like this 230.2.
How will i have do it.

Use toFixed() Javascript function in a function window

Also, if you are sending it to one of the dashboard nodes then you can do it in the node definition.

Please send the complete code

What complete code?
If you mean using toFixed() then google for javascript toFixed to find how to use it.

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This tells you how to do it in a dashboard node, courtesy of Paul Reed.