Author Archives: dougaj4

More powers of 3

Posted on 20/10/2019 by dougaj4

Following the discovery of a question to which the answer is 42, the same team has now reported a sum of three cubes equal to 3.  As before, the result can be checked from Excel, linking to mpmath, via pyxll. … Continue reading →

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Restoring sound on an HP computer.

Posted on 13/10/2019 by dougaj4

Yesterday the sound on my HP Omen computer stopped working for no apparent reason.  I found the video below, which fixed the problem: The video is short, easy to follow, and doesn’t need the sound working to understand it! The … Continue reading →

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A problem with integers in VBA

Posted on 01/10/2019 by dougaj4

A recent question at Quora asked: “Why am I getting an overflow error in Excel VBA when doing a simple arithmetic calculation like str1 = 24*60*30 where str1 is a variant or long or double?” I hadn’t encountered that problem … Continue reading →

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Indexing pdf files, yet again

Posted on 24/09/2019 by dougaj4

Recent versions of Windows have provided indexing of file contents that allows for fast searches over the entire contents of your hard disk.  This includes pdf files, but the default filter file only works with 32 bit Windows.  It is  … Continue reading →

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The answer to Life the Universe and Everything …

Posted on 19/09/2019 by dougaj4

is 42, as is well-known: The actual question, to which the answer is 42, is not known, but a lesser known long standing question involving this number has recently been solved: The original problem, set in 1954 at the University … Continue reading →

Posted in Computing - general, Excel, Maths, Newton, PyXLL | Tagged , , , , | 5 Comments