Access Equivalent of this Excel VBA Function?

Is anyone able to help with the below:

I need the equivalent Access Function for the below Excel Function
I know it might not be the right place to ask, but im really lost for ideas?

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I had this function in Access, however, it is not watching the results of the Excel Function for the following prices:

0.70495 is becoming 0.7049 rather than 0.705 and 0.40545 is becoming 0.4054 rather than 0.4055

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Any help would be greatly appreciated.

Thanks

That is just the round function that you have provided?