The Plot Setup View - HP 39gs Master Manual

T h e P L O T S E T U
T h e P L O T S E T U
In the information that follows it will be assumed that you have
performed the tasks on the previous page.
If you press then
SHIFT
the right.
The highlight should be on the first value of XRng. Enter the value -4.
Calculator Tip
Don't use the subtract key to enter a negative. You MUST use the
negative key labeled
subtract. For example,
Type in 4 for the other
values. When you've done this use the arrow keys move to
change it to 5.
Detail vs. Faster
At the bottom of the screen you will see
key you will see that you have a choice of 'Faster' or 'More Detail'. 'More Detail' should be selected. If you
choose Faster then every second dot is plotted instead of every dot. This is quicker but may make some
graphs appear less smooth, particularly graphs with steep gradients.
There are two pages to this view (see the
the screen). The first page is used to set axes, the second to control
certain features of them.
If you press the
shown above right. Using the arrow keys to move the highlight, make
sure that your checks/ticks match the ones in my snapshot. Now press
again.
PLOT
Let's have a look at the meaning of the CHKs (check marks or ticks) on the second page of
above right. Although they are not used often they can be quite useful and I recommend highly that you at
least consider using the Simult setting.
P v i e w
P v i e w
you will see something like the view on
PLOT
. Similarly, don't use a
(-)
2 (-) X
value, then -20 and 20 for the
XRng
(short for 'Resolution'). If you highlight it and press the
Res
key you will now be looking at the screen
when you mean a
(-)
will produce not
-2*X
YRng
and
Ytick
key at the bottom of
50
.
2 – X
PLOT SETUP