HP Prime Graphing NW280AAABA manual Open the Function app Define the expressions, Rdw1 jw3E

Open the Function app

Define the expressions

N o t e

1.Open the Function app.

ISelect

Function

Recall that you can open an app just by tapping its icon.

You can also open

it by using the cursor keys to highlight it and then pressing E.

The Function app starts in Symbolic view. This is the defining view. It is where you symbolically define (that is, specify) the functions you want to explore.

The graphical and numerical data you see in Plot view and Numeric view are derived from the symbolic expressions defined here.

There are 10 fields for defining functions. These are labeled F1(X) through F9(X) and F0(X).

2.Highlight the field you want to use, either by tapping on it or scrolling to it. If you are entering a new expression, just start typing. If you are editing an

existing expression, tap and make your changes. When you have finished defining or changing the expression, press E.

3.Enter the linear function in F1(X). 1wdE

4.Enter the quadratic function in F2(X).

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You can tap the button to assist in the entry of equations. In the Function app, it has the same effect as pressing d. (In other apps, denters a different character.)

112 Function app