Category Archives: Excel

Links to link VBA to C#

Posted on 03/11/2012 by dougaj4

If you search the Internet for information on how to link Excel VBA to C# you will find thousands, if not millions, of links with details of how to connect to Excel from C#, but very few about going the … Continue reading →

Posted in Excel, Link to dll, VBA | Tagged , , , , , | 11 Comments

Polynomial Update

Posted on 30/10/2012 by dougaj4

Following a comment here: Solving cubic and quartic equations with Excel the Quartic and CubicC User Defined Functions (UDFs) have been amended to fix a problem occurring with some combinations of coefficients. The updated spreadsheet (including full open source code) can be … Continue reading →

Posted in Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , , , | 12 Comments

Mohr’s Circle and Plate Stresses and Actions

Posted on 27/10/2012 by dougaj4

The functions described in this post can be found in the download file PlateStress.zip, including examples and full open source code. The function MCircle returns the plane stress components (XX, YY and XY stress) for any specified stress field, when rotated through a … Continue reading →

Posted in Arrays, Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Newton, Strand7, UDFs, VBA | Tagged , , , , , , | 1 Comment

Ghost Stories

Posted on 22/10/2012 by dougaj4

The first video was directed by my daughter whilst at the Australian Film Television and Radio School last year, and weaves together stories of hard times in the early days of Sydney’s Newtown district: Plug in the headphones, switch off … Continue reading →

Posted in Bach, Excel, Films, Newton | Tagged , , , | 1 Comment

Daily Download 33: Miscellaneous

Posted on 21/10/2012 by dougaj4

This is the last of the month and a bit of Daily Downloads, and consists of a bumper bundle of 20 spreadsheets with miscellaneous functions that didn’t fit in elsewhere: Repeating a set of data: for instance making three copies of … Continue reading →

Posted in Arrays, Computing - general, Excel, UDFs, VBA | Tagged , , , , , , , , , | Leave a comment