## Excel vs. Mathcad for Engineering Calculations

Hey folks, as promised, here is my second installment on the topic of Excel vs. Mathcad for engineering calculations. In my first post I talked about conceptual differences between the two products and kept the details light. In this installment I will put a finer point on the differentiations. WHITEBOARD VS FORMULA BAR Mathcad is a document that emulates an …

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## Balancing a Semi-circle (My Answer to a NY Times Puzzle in Mathcad)

A recent NY Times puzzle (http://wordplay.blogs.nytimes.com/2011/05/02/numberplay-sameweight/) has a problem asking if areas C and D have the same weight when balanced as in the following picture A number of solutions have been submitted, but I decided to provide one. See PlanetPTC for a full solution and downloadable Mathcad worksheet. The idea is simple: use a double integral to compute both areas/weights: …

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## Integrating Thinking Adds Power to Mathcad’s Symbolics

Recently, the Mathcad Team was mulling over a user inquiry about the following integral: How would you evaluate this integral? It is easy enough by hand if you know the calculus. Having spent much of my life introducing concepts like integration to middle and high school students, I might think of it this way: At this point you are probably …

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## The Math in Beer Brewing

Today I have read an article in Popular Mechanics featuring the Top 10 Home Brew Beer Recipes. Being a native of a country that is famous for its brewing tradition (To those of you who don’t know me: I am German), this article naturally caught my attention. I don’t want to repeat the details of the article here, but I was surprised to …

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