16
S
S
O
O
M
M
E
E
K
K
E
E
Y
Y
B
B
O
O
A
A
R
R
D
D
E
E
X
X
A
A
M
M
P
P
L
L
E
E
S
S
Shown below are snapshots of some typical screens you might see when
you press each of the keys shown on the previous page.
Exactly what you
see depends on which aplet is active at the time.
The aplet used below to illustrate this is the
Function
aplet, which is used to
graph and analyze Cartesian functions. Notice how the meanings of the row
of blank screen keys under the screen changes in different views.
The
SYMB
key - in this case it is set to graph
the function
3
2
7
6
y
x
x
x
=
−
−
+
.
The
PLOT
key - used to graph the function.
The
NUM
key showing a tabular view of the
function.
The
APLET
key is used to choose which aplet
is active. There are 10 aplets provided with
the calculator and more can be downloaded
from the internet.
The
MATH
key gives access to more than a
hundred extra functions, grouped by category.
The view shown right is currently showing the
Probability section.
