Category Archives: Newton

Theme Music?

Posted on 29/02/2008 by dougaj4

Galaxy Dynamics by John Dubinski  “… Gravitas points clearly at ties between the ideas of Isaac Newton and the music of Bach. To do this with sounds and images that appeal to club kids and new music fans equally is … Continue reading →

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The history of the theory of beam bending – Part 1

Posted on 27/02/2008 by dougaj4

The theory of the flexural strength and stiffness of beams is now attributed to Bernoulli and Euler, but developed over almost 400 years, with several twists, turns and dead ends on the way. Galileo Galilei is often credited with the first … Continue reading →

Posted in Beam Bending, Newton | Tagged , , , , , , , | 10 Comments

Trigonometric Functions in VBA

Posted on 23/02/2008 by dougaj4

Deep within the bowels of the Microsoft on-line help can be found: http://msdn2.microsoft.com/en-us/library/csfk8t62(VS.85).aspx which lists  the derivation of trigonometric functions not provided by VBA.  Not included in this list is ATan2(), which is strange because this is the one trigonometric … Continue reading →

Posted in Excel, Maths, UDFs | Tagged | 7 Comments