Category Archive for: The Basics

Saving, printing, and quitting

Once you’ve created a worksheet, you will probably want to save or print it. This section explains how to save and print in Mathcad. Saving a worksheet To save the file, • Choose Save from the File menu or click on the disk icon in the toolbar. If the file has never been saved before,…

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Graphs

Mathcad can show both two-dimensional Cartesian and polar graphs, contour plots, surface plots, and a variety of other three-dimensional plots. These are all examples of plot regions. This section describes how to create a simple two-dimensional graph showing the points calculated in the previous section. Creating a graph To create a graph in Mathcad, click…

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Iterative calculations

Mathcad can do repeated or iterative calculations as easily as individual calculations. Mathcad uses a special variable called a range variable to perform iteration. Range variables take on a range of values, such as all the integers from 0 to 10. Whenever a range variable appears in a Mathcad equation, Mathcad calculates the equation not…

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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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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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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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