Hp 49g Graphing Calculator Bedienungsanleitung PDF herunterladen (Seite 72)

7. To change a function:

a. Use the arrow keys to highlight the fmiction.

b. Press EDIT.

The function is displayed in Equation Writer.

c. Edit the function.

d. Press (ENTER).

Equation Writer closes and your edited fimction overwrites the

fxmction you chose to modify.

To cancel your edit, press fCANCS]0 (Y=).

8. To choose a user-defined fimction:

a. Highlight the fimction below which you want the new function to

be placed.

b. Press CHOOS.

A list of user-defined fimctions is displayed.

c. Highlight the fimction you want to plot.

d. Press OK.

See “User-defined fimctions” on page 7-4 for instructions on how to

create user-defined functions.

9. To create a new fimction to be plotted:

a. Press ADD to open Equation Writer.

b. Create the fimction.

c. Press (ENTER).

Equation Writer closes and your new fimction is added to the list of

fimctions to be plotted.

10. Press 0iWiN) to display the Plot Window screen.

11. If necessary, change the plot window parameters.

The parameters on the Plot Window screen vary according to the type

of plot you are drawing. They are discussed later. (See “Plot types” on

page 4-6.)

12. The HP 49G keeps a record of your last plot. This enables you to draw

a new fimction (or set of fmictions), or data matrix, over the top of an

earlier fimction, set of fimctions, or data matrix. If you do not want to

include the earlier plot, press ERASE.

13. To plot the function(s), press DRAW.

Page 4-4

Plotting graphs

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Hp 49g Graphing Calculator Bedienungsanleitung Seite 72