HP 49g Graphing Calculator - Manual (Page 73)

To draw a statistical plot
1 to display the Plot Setup
PLOT SETUPS
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Press
screen.
2. Press
CHOOS
and select the type of
statistical plot you want to draw: bar,
histogram, or scatter.
3. Press ® to move to the ED AT field.
4. Press 0®]® to open Matrix Writer.
5. Create a matrix to represent the statistical data you want to plot.
6. Press (Ei).
7. The matrix you entered appears on screen within square brackets.
Press
OK
to continue (or modify the matrix if necessary before pressing
OK).
8. The HP 49G has a number of settings that detennine features such as
the part of the graph to be displayed, the scale of the graph, and so on.
These settings are listed on the:
® Plot Setup screen and
® Plot Window screen (by pressing 0 (WiFpT
The settings listed on these two screens vary according to the type of
graph you are plotting. They are discussed later. (See “Statistical plots”
on page 4-28.) If necessary, change the default or current values of
these settings before plotting your data matrix.
9. The HP 49G keeps a record of yoru last plot. This enables you to draw
a new statistical plot over the top of an earlier plot. If you do not want
to include the earlier plot, press
erase
.
10. To plot the data matrix, press
DRAW.
You can plot the equations listed on the Plot - Function screen,
or the data saved in the ED AT variable, without first displaying
any of the three plotting parameters screens. Just press 0 (GROT!)
to select the Graph command. Your equation(s) or data matrix
are plotted. The parameters currently set on the Plot Window
and Plot Setup input forms are used to determine the
appearance of the plot.
Plotting graphs Page 4-5