HP Prime Graphing NW280AAABA manual Math shortcuts

Models: Prime Graphing NW280AAABA

1 616
Download 616 pages 24.49 Kb
Page 29
Image 29

Math shortcuts

Example: Suppose you want to find the cube root of 945:

1.In Home view, press F.

2.Select .

The skeleton or framework for your calculation now appears on the entry line:

3.Each box on the template needs to be completed: 3>945

4.Press Eto display the result: 9.813…

The template palette can save you a lot of time, especially with calculus calculations.

You can display the palette at any stage in defining an expression. In other words, you don’t need to start out with a template. Rather, you can embed one or more templates at any point in the definition of an expression.

As well as the math template, there are other similar screens that offer a palette of special characters. For example, pressing Srdisplays the

special symbols palette, shown at the right. Select a character by tapping it (or scrolling to it and pressing E).

A similar palette—the relations palette—is displayed if you press Sv. The palette displays operators useful in math and programming. Again, just tap the character you want.

Other math shortcut keys include d. Pressing this key inserts an X, T, θ, or N depending on what app you are using. (This is explained further in the chapters describing the apps.)

Similarly, pressing Scenters a degree, minute, or second character. It enters ° if no degree symbol is part of your expression; enters ′ if the previous entry is a value in

Getting started

25

Page 29
Image 29
HP Prime Graphing NW280AAABA manual Math shortcuts