copy c range set by a variable in Excel macro

I want to copy the first two columns in a worksheet "Input" starting with cell A1 into a worksheet "Calculations" starting in cell A14 the range of which is set by a variable in "Calculations!A12" because length of the columns varies on the length of the imported data.
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Excel allows you to define "name" at excel application level. These names point to a range in excel sheet. Using excel menu, you can define a name to range of cells by clicking on "Insert" -> "Name"  -> "Define"

I can do same using macro something like this.
ActiveWorkbook.Names.Add Name:="rngAddresspaste", RefersToR1C1:= _
In above example the name "rngAddresspaste" refers to cell starting "A14"

E.g to copy paste from Sheet1 to sheet 2.
    'Define range in excel
    ActiveWorkbook.Names.Add Name:="rngAddresspaste", RefersToR1C1:= _


Please let me know if you need more details

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Sure the above comments should have helped bobdeck. haven't heard since.
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