Access Sql: How to round up a calculated field

[GIS2013]

Hi,
The code generates 4 columns, where the calculated one (red) is shown with many digits after the decimal point. How should I use the ROUND function in this case?
Thanks

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[pjwhitfield]

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(or how many digits you want rounding by)

[GIS2013]

Thanks a lot

[alansidman]

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