Texas Instruments TINSPIRECX manual Calculator Application, Basic operations

First Steps with TI-Nspire™

Tutorial 2: The Calculator Application

Tutorial 2

The Calculator Application

At the heart of TI-Nspire is the Calculator application, the workspace for numeric and algebra operations. This tutorial introduces some of the key features of the application, starting with a new blank document. This document will be saved, used again and added to in subsequent tutorials

Basic operations

First create a new blank document by pressing c and choosing option 1: New Doc from the Home Screen.

To open a page which uses the calculator application:

press 1 or · or x.

Try keying in and entering expressions using the four basic arithmetic operations, square roots, negatives etc. Look carefully at how the expressions as well as the results appear on the screen, in order to understand the conventions the handheld uses with its default settings.

NB multiplication

and division.

What do you expect the result

of this calculation to be?

Notice that in many cases the layout of the expression changes when · is pressed—in particular watch how the multiplication and division operations are handled.

Try typing a lengthy expression and, before pressing ·, see the effect of using . and then /..

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