Category Archives: UDFs

Section Properties of Defined Shapes – Spreadsheet

Posted on 25/03/2008 by dougaj4

Download section properties spreadsheet from: http://www.interactiveds.com.au/software/Section%20Properties03.zip http://www.interactiveds.com.au/software/Section%20Properties07.zip Section properties for 35 defined shapes Section properties from coordinates Section properties UDF Screen shots:

Posted in Excel, Maths, UDFs | Tagged | 29 Comments

Section Properties UDF and UDF charting

Posted on 14/03/2008 by dougaj4

The technique for calculating section properties from coordinates is conveniently coded into a UDF: Function Area(xy_range As Variant) As Double Dim XYcells As Variant Dim N As Long, NumX As Long Dim XD As Double, YSum As Double XYcells = … Continue reading →

Posted in Arrays, Charts, Excel, UDFs | Tagged | 6 Comments

Ranges and Arrays – 2

Posted on 05/03/2008 by dougaj4

Yesterday we looked at how to get data from a worksheet range into a VBA array.  Today’s post looks at the opposite operation; writing an array to a worksheet range.  With a UDF it couldn’t be simpler: Function MyFunction() as … Continue reading →

Posted in Arrays, Excel, UDFs | 1 Comment

Ranges and Arrays

Posted on 04/03/2008 by dougaj4

Transferring data from a worksheet into a VBA routine, or the other way round, is one of the most frequent tasks carried out in VBA programming.  Fortunately there is a simple way to do it: In a subroutine: Name the … Continue reading →

Posted in Arrays, Excel, UDFs | Tagged , , , | 4 Comments

Worksheetfunction vs UDF

Posted on 23/02/2008 by dougaj4

The previous post provided VBA code for a number of trigonometric functions, most of which are already available in Excel.  Why bother you may say, why not just use the WorksheetFunction object?  The numbers below provide the answer: Time to … Continue reading →

Posted in Excel, UDFs | Tagged | 7 Comments