Category Archives: UDFs

Section properties for groups of defined shapes

Posted on 12/04/2013 by dougaj4

Following a discussion at Eng-Tips, I have modified the section properties spreadsheet (presented here) so that section properties can be found for groups of defined shapes, including provision for translation and rotation of each shape, and application of different E … Continue reading →

Posted in Coordinate Geometry, Excel, Maths, Newton, UDFs, VBA | Tagged , , , | 13 Comments

Tanh-Sinh Quadrature V4.1

Posted on 16/03/2013 by dougaj4

The latest update to the Tanh-Sinh Quadrature spreadsheet from Graeme Dennes is now available for download from: Tanh-Sinh. As usual, the download includes full open-source code and extensive documentation. Version 4.1 Release Notes  1.   Small but useful accuracy improvements have been … Continue reading →

Posted in Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , , | 1 Comment

what Microsoft think VBA is good for …

Posted on 06/03/2013 by dougaj4

The front page of Excel for Developers now has a link entitled VBA, which takes you to: VBA for Excel developers which has a link entitled When to use VBA and why which says: There are three principal reasons to consider VBA … Continue reading →

Posted in Excel, UDFs, VBA | Tagged , , | 9 Comments

Function to make a list of functions …

Posted on 11/02/2013 by dougaj4

… and other procedures. I wanted to make a list of all the VBA procedures in a workbook, and discovered that Excel doesn’t have a built-in way of doing that.  People have written code to work their way around that of course, … Continue reading →

Posted in Arrays, Excel, UDFs, VBA | Tagged , , , , | 3 Comments

Precise Angles and XNumbers

Posted on 28/01/2013 by dougaj4

Further to comments by Georg under: The angle between two vectors, in 2D or 3D I have added four alternative ways of calculating the angle between two 3D vectors to the VectorFunc spreadsheet.  The new version can be downloaded from: http://interactiveds.com.au/software/VectorFunc.xlsb. … Continue reading →

Posted in Coordinate Geometry, Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , | Leave a comment