HP Prime Graphing NW280AAABA manual Tap and select

To access Function The Function variables are available in Home view and in

variablesthe CAS, where they can be included as arguments in calculations. They are also available in Symbolic view.

1.To access the variables, press

a, tap and select

Function.

2.Select Results and then the variable of interest.

The variable’s name is copied to the insertion point and its value is used in evaluating the expression that contains it. You can also enter the value of the

variable instead of its name by tapping .

For example, in Home view or the CAS you could select SignedArea from the Vars menus, press s3Eand get the current value

of SignedArea multiplied by three.

Function variables can also be made part of a function’s definition in Symbolic view. For example, you could define a function as x2 –x–Root.

The full range of variables, and their use in calculations, is covered in detail in chapter 22, “Variables”, beginning on page 423.

Function app 123