Mathcad Tutorial

Páginas: 35 (8589 palabras) Publicado: 12 de diciembre de 2012
MATHCAD TUTORIAL
The Fundamentals

Notice

This manuscript contains the tutorial on using Mathcad 2000 Professional version as taken from the software built-in tutorial. Originally this material was extracted from MathCad 7 Professional, however, it has been updated by adding information from Mathcad 2000 Professional version. As such, it is possible that some of the information that wasrelevant to MathCad 7 might be present in this manuscript while id does not hold for MathCad200 Professional. Very minor editorial work has been done to present the material in a instruction form to fit the needs of the course Dynamic System I taught by the Department of Mechanical Engineering at FAMU-FSU College of Engineering which uses MathCad very intensively. Production of this manuscript ifsorely for internal purposes and should not be used in any other form without permission from the owners of the work , MathSoft Inc.

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Introduction: The Mathcad Advantage
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Mathcad is a unique, powerful way to work with equations, numbers, text, and graphs. Unlike any other math software, Mathcad does math the same way you do. That's because it looks and works like a scratchpad andpencil. Mathcad's on-screen interface is a blank worksheet on which you can enter equations, graph data or functions, and annotate with text -- anywhere on the page. And instead of forcing you to use a programming-like syntax, Mathcad lets you use the language of mathematics.

In a programming language, for example, equations look like this:

x=(-B+SQRT(B**2-4*A*C))/(2*A)

In a spreadsheet,equations go into cells looking something like this:

+(-B1+SQRT(B1*B1-4*A1*C1))/(2*A1)

In Mathcad, the same equation looks the way you would see it in a text or a reference book:
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The only difference is that Mathcad's equations and graphs are live. Change any data, variable, or equation, and Mathcad recalculates the math and redraws the graphs -- instantly. With Mathcad, you cansolve a wide range of technical problems -- from the simple to the very complex -- numerically or symbolically. You can also visualize equations and data with 2D and 3D graphing. With Mathcad Electronic Books you also get a wealth of mathematical knowledge and reference material -- all live and ready to be dragged and dropped into your worksheets. Most important, Mathcad gives you all the poweryou need to get the job done -- from start to finish. With Mathcad you can truly do it all -- explore problems, formulate ideas, analyze data, model and test scenarios, select the best solution . . . then document, present, and communicate the results. Using Mathcad's connections to the Worldwide Web, you can also share your Mathcad worksheets with colleagues and other professionals. This meansyou can collaborate easily during any phase of a project -- and you can do it in the rich and powerful language of mathematics.
A Quick Tour of Mathcad's Features
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In Mathcad, you can . . .

1. Do arithmetic with Mathcad's built-in functions and math operators

The operator palettes accessible from the palette strip at the top of the window give you access to Mathcad's mathematicaloperators. First click in your worksheet to place a red crosshair cursor, then click on a button in one of these palettes to insert a math operator into your worksheet. To see a scrolling list of Mathcad's built-in functions, go to the Insert menu and select Function, or click on the Insert Function button on the toolbar.

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The red crosshair




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InsertFunction button

Here are a few examples. These calculations are computed internally to 15 places, but you can show fewer places in the answer -- just click on an answer and choose Number from the Format menu, then change the number in the Displayed Precision field in the dialog box.

Get the square root and the power from the Arithmetic Palette, and type = to see the answer. For the four basic...
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