Archive for: November, 2015

Regions and menus

Mathcad lets you enter equations and text anywhere in the worksheet. Each equation or piece of text is a region. Mathcad creates an invisible rectangle to hold each region. A Mathcad worksheet is a collection of such regions. To see these regions, choose Regions from the View menu. Mathcad will display blank space in gray…

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Entering text

Mathcad handles text as easily as it does equations, so you can make notes about the calculations you are doing. To begin typing text, click in an empty space and do any one of the following: choose Text Region from the Insert menu, press the doublequote key (“), or click on the text region button…

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Live Symbolic Evaluation

The symbolic equal sign provides a way to extend Mathcad’s live document interface beyond the numerical evaluation of expressions. You can think of it as being analogous to the equal sign “=”. Unlike the equal sign, which always gives a number on the right hand side, the symbolic equal sign is capable of giving expressions. You can use…

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Definitions and variables

Definitions and variables Mathcad’s power and versatility quickly become apparent once you begin to use variables and functions. By defining variables and functions, you can link equations together and use intermediate results in further calculations. The following examples show how to define and use several variables. Defining variables To clear the previous equation and define…

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A simple calculation

Although Mathcad can perform sophisticated mathematics, you can just as easily use it as a simple calculator. To try your first calculation, follow these steps: • Click anywhere in the worksheet. You see a small crosshair. Anything you type appears at the crosshair. + • Type 15-8/104.5= . When you press the equals sign, Mathcad…

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Working with windows

When you start Mathcad you’ll open up a window on a Mathcad worksheet. There are times when a Mathcad worksheet cannot be displayed in its entirety because the window is too small. To bring unseen portions of a worksheet into view, you can: • Use the scroll bars and arrow keys to move around the…

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What you can do with Mathcad

Mathcad combines the live document interface of a spreadsheet with the WYSIWYG interface of a word processor. With Mathcad, you can typeset equations on the screen exactly the way you see them in a book. But Mathcad equations do more than look gootl on the screen. You can use them to actually do math. Like…

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First principles

Mathcad looks simple, and it is. It was created according to basic design principles to make it powerful, flexible and easy to use. In Mathcad: • Everything appears in familiar math notation. If there’s a standard mathematical way to show an equation, operation, or graph, Mathcad uses it. • What you see is what you…

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