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May 2011
Mathcad & the Regional PTC User Groups (RUGs)
I recently spoke to John Sheehan, VP of Services, of the Mathcad Business Unit here at PTC. He and Matt Bonaccorso, also a member of the PTC Mathcad team, had attended (and presented at!) the Three Rivers Pro/Users Group Spring Meeting 2011 on April 12. Held at Pittsburgh Technical Institute, Oakdale Campus, and moderated by Eric Holmes of Philips, Inc. the …
Mathcad and Engineers of the Future
Guest Blog by Jordan Cox, Ph. D. FIRST Program Manager, PTC One of the greatest challenges in the 21st century is workforce development. The need for technical employees trained in Science, Technology, Engineering, and Math (STEM) has never been greater. Recent studies show that the need will only increase in the years to come. As the technological demands of society continue …
Mathcad A-Z: I is for Include Worksheets
Most engineers have the need to standardize definitions, programmed functions, and some calculation formulas across both their own Mathcad worksheets and across departments or the entire company. The Include Worksheet or Referenced Worksheet feature allows you to include a worksheet of definitions inside other worksheets. Including standard definitions, programmed functions, and calculation formulas at the start of every worksheet saves time and …
Posted in Mathcad A to Z
Tagged cache worksheet, include worksheet, referenced worksheet
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A Passion for Math
Today I would like to introduce you to Murray Bourne, an Australian who lives in Singapore. I recently became aware of his squareCircleZ blog, browsed through it a bit, then couldn’t stop! Actually, his blog is only one piece of a larger web presence – Interactive Mathematics (IntMath.com) – a great resource for everyone interested in learning math. There’s even …
Posted in Meet the Mathcad Users
Tagged computer algebra system, education, interview, learning, math, math software, mathematics, resources, school, students, teaching
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Our Promise to the Calculation Crowd: A New Mathcad Puzzle
Attention, everyone! As promised, we are coming up with a new puzzle to test your calculation skills with Mathcad! Many of you have given positive feedback to our recent raffle and asked for more… So, without further ado, here’s the problem: One Very Tired Horse An army 40 miles long advances 40 miles while a messenger on horseback rides from the …
Mathcad in Textbooks: Elements of Optical Networking
I just got off the phone with a representative of Vieweg+Teubner, one of the leading publishing houses in Germany for technical and educational literature. Vieweg+Teubner recently released an extended second edition of an established German textbook on optical networking. Due to the success of this book, it has been translated into English, and was re-released just last week. So why …
Posted in Literature
Tagged download, education, literature, optical networking, telecommunication, textbook, worksheet
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Isolated Risk Management is not Effective Risk Management
Risk Management is an essential requirement for compliance to the European Union and FDA Medical Device regulations. Standards-developing agencies have also focused on the importance of applying Risk Management to medical devices in view of ensuring patient safety, most notably in the ISO 14971 standard… Continue reading
Mathcad A-Z: H is for Headers (and Footers)
One of Mathcad’s major features is its self-documenting capabilities. You can use Mathcad to solve engineering problems, then document them at the same time, so the results can be shared and clearly understood by others. You can distribute Mathcad worksheets to auditors and other verification agencies, to clearly show how you got your results, using Mathcad’s real math notation. Worksheets …
The “Fly Swatting with Mathcad” Contest: And The Winners Are…
Talking about puzzles… Last month, we ran this little puzzle here on the Mathcad blog and asked you to submit your solutions in a Mathcad worksheet. To recap, the problem was: A fly is sitting at a distance of h from a man with a fly swatter. At time t=0 the fly is pursued by the man who has a …
Posted in Puzzles
Tagged download, puzzle, sample worksheet, solution, winners, worksheet
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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: …
