Category Archives: VBA

Smart Indenter and Excel 2013

Posted on 27/01/2015 by dougaj4

I have recently installed Office 365 on a new computer running Windows 8.1 (actually the third one in just over a month, but that’s another story).  Office 2013 has several annoying features, but for me the most annoying was that … Continue reading →

Posted in Computing - general, Excel, VBA | Tagged , , , , , | 26 Comments

Numerical Integration; Tanh-Sinh Quadrature v. 4.3

Posted on 29/12/2014 by dougaj4

A new version (4.3) of the numerical integration spreadsheet by Graeme Dennes is now available for download from Tanh_Sinh Quadrature. The Tanh-Sinh Quadrature Version 4.3 workbook now provides a feature for the integration of integrands contained in independent (external) UDFs. … Continue reading →

Posted in Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , , , , , , | 6 Comments

Numpy and Scipy for Excel

Posted on 14/12/2014 by dougaj4

The Python Numpy and Scipy libraries contain a huge number of maths and science related functions.  Most of these are not directly available from Excel, but using the free ExcelPython package it is fairly easy to make the link, vastly increasing … Continue reading →

Posted in Excel, Link to Python, Maths, NumPy and SciPy, UDFs, VBA | Tagged , , , , , , | 11 Comments

Working with array functions

Posted on 10/12/2014 by dougaj4

Regular visitors will know that I make frequent use of User Defined Functions that return an array of data, and need to be entered as an array function. This has the advantages that the functions are very flexible in the … Continue reading →

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

More on Regular Expressions

Posted on 08/12/2014 by dougaj4

The previous post presented a User Defined Function (UDF) using regular expressions to extract all numbers, or a selected number, from any string (or a list of strings).  In this post I will look more closely at the code used to achieve … Continue reading →

Posted in Excel, UDFs, VBA | Tagged , , , , | 10 Comments