Category Archives: Newton

Bridges Over the Tiber -2

Posted on 07/02/2013 by dougaj4

See the previous post for location map. Following the construction of the Ponte Sisto in 1473 no more new bridges were built over the Tiber in Rome until 1885, then six were built (or at least started) in six years, seven if … Continue reading →

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Bridges over the Tiber – 1

Posted on 04/02/2013 by dougaj4

The tourist map of Rome shows 17 bridges over the River Tiber in the central district, dating from 140 BC to 1981.  For those in Rome it makes a pleasant day’s stroll to visit each one, but for those who can’t … Continue reading →

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3DFrame v1.01

Posted on 03/02/2013 by dougaj4

The 3D frame analysis spreadsheet has been updated to v1.01, with a correction to the calculation of node reactions.  The previous version gave incorrect results for any restrained node at end 2 of any beam. Please download the new version … Continue reading →

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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 →

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New Page

Posted on 26/01/2013 by dougaj4

In an effort to make the information on this site easier to access I have collected all the “Daily Download” posts from last year onto a new page, listing each of the download posts by category. It’s called “Download by … Continue reading →

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