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Author Archives: dougaj4
Displaying trend line equations on line charts
This post is prompted by a recent comment at Using LINEST for non-linear curve fitting which found that the trend line formula displayed on a chart was totally different from that found using the Linest function. The problem was caused by using a … Continue reading
Posted in Charts, Charts, Excel, Maths
Tagged Chart, Excel, Show trend line equation, Trend line
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Three tributes to John Clarke
From Michael Leunig at The Age: From the ABC: Remembering John Clarke From North Palmerston City Council – After an off-night at N Palmerston, John Cleese named the city “the suicide capital of New Zealand”. John Clarke, who was … Continue reading
RCInteract and RC Design Functions 7.03
Since the previous post, I have updated the notes in the RC Design Functions spreadsheet to reflect the fact that with the recent update to the Bridge Design Code (AS 5100) the reinforced concrete strength design requirements for beam bending … Continue reading
Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA
Tagged ACI318, AS3600, AS5100, Combined bending and axial load, Eurocode2, Excel, Interaction Diagram, RC Design Functions, Reinforced Concrete, UDF, VBA
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RC Design Functions 7.03
The latest update to my RC Design Functions spreadsheet has just been uploaded, and is available for free download (including full open-source code) from: RC Design Functions7.zip The main new feature in the latest version is a new RCInteract function, which generates an … Continue reading
Newton Excel Bach, not (just) an Excel Blog 