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MathCAD versus Excel
As an engineer, I have used MathCAD in pursuit of research; calculating free-convective heat transfer properties. I must admit I would never use it to calculate the theoretical wind load to be applied to a piperack in STAADDpro. There's two kinds of engineers, the scientist and the plumber. A scientist engineer focuses on accuracy, details, formulae and precision between reality and calculations. A plumber engineer approximates, uses experience, is practical and reasonable. I am the 'plumber' engineer. I do not need accuracy but sometimes I will revert to the scientist approach for the sticky bits. but I still prefer Excel over MathCAD any day. I can reduce fourteen pages of MatchCAD to one page in Excel. Checking MathCAD reports are dull and time-consuming and formulaic-driven. I see a term used in an equation and I cannot find its definition without flipping back through pages and searching......sigh....and I don't know what the value is, is it critical I will ask? The engineer shrugs. Using MAthCAD someone calculates the wind load on a beam is 0.854 kN/m and 0.923 kN/m on a column; I might just apply 1 kN/m everywhere, is that wrong? We have onerous load factors as well because we are so uncertain! I have seen engineers spend a few days developing the little routines to calculate the wind load precisely....when it can be figured in two minutes. These stories abound and always will but I believe MathCAD is a poor choice as a power tool for plumber engineers. In a culture that welcomes 3D and complex analyses, MathCAD can add to the pending confusion of the structural engineers role. Excel is my recommendation, as a power tool for engineers. It is a pity that Microsoft did not work hard enough to make it 'plumber' friendly but I am working on it. With only 10 percent of Excel, it is incredible what can be achieved in producing engineering standard calculations. The key is to understand the defaults, control the defaults, use visuals and show the numbers. If you can do that, many more engineers will be coming to your desk to to ask you about your Excel experience, your spreadsheets and your opinions. Comments: hi I am lecturer in Engineering college Belgaum karnataka...I want2 know more about both excel and word for civil engineers..Thanx for the work u have done. Comments: I plan to spend more time discussing the issues facing civil/structural engineers, in almost all corners of the globe. It boils down to word and excel and the fantastic opportunity it can give them. Comments: I have just been looking at the counter argument written by Mathcad and I have to say I am unconvinced by their argument. Comments: Sorry I meant to leave a link to www.excelcalcs.com. It aims to helping you make and share calculations with MS Excel. Install XLC and your worksheets will read like text books, they'll be easy to understand and easy to check. Download template Excel solutions from our Repository of solved engineering and maths problems. Comments: John, Comments: I don’t think MathCAD is an American/Canadian trait – it is as popular in Europe as it is in America but I do not think it is the predominant calculation tool either side of the Atlantic. Engineers use what is available to them and more likely to be Excel than MathCAD. This is why I developed the ExcelCalcs website to give Excel user the benefits of MathCAD-like functionality. Comments: In my mind, the Mathcadists has membership to the flat-earth society! Comments: Robert I have just completed a survey of calculation tools at the ExcelCalcs site. I think you'll find the results interesting. It reinforces my suspicion that most engineers use Excel to perform calculations (69.3% in fact). It was surprising to find that more people use pen, paper and calculator than use Mathcad (13.1% and 11.4%). Very few users use Mathematical, Maple or custom programming but maybe we don't need all that maths power (I tend to use free utilities like SageMath Note Book when I have the occasional requirement for algebraic manipulations of formulae). Some 86% of users make calculations regularly and 50% make calculations everyday. only 14% make calculations occasionally. I find the results very interesting because it shows that even if you make calculations everyday you are more likely to use Excel than Mathcad and I guess what we do at ExcelCalcs is bring Mathcad functionality to Excel. Comments: John, Google: what kinds of engineers are there MathCAD versus Excel Military engineers |
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