HP 39G User Manual

3-4 Function aplet
To find the
greater of the two
roots of the
quadratic
function
10. Find the greater of the two roots of the quadratic
function.
Note: Move the cursor to the graph of the quadratic
equation by pressing the *k,or *e,key. Then move the
cursor so that it is near by pressing the *A,or
*>,key.
)&1a Select  Root 
2.a
The root value is
displayed at the bottom
of the screen.
To find the
intersection of
the two functions
11. Find the intersection of the two functions.
0(18a)&1a *e, 2.a 
12. Choose the linear function whose intersection with the
quadratic function you wish to find.
2.a
The coordinates of the
intersection point are
displayed at the bottom
of the screen.
Note: If there is more
than one intersection (as
in our example), the coordinates of the intersection point
closest to the current cursor position are displayed.
x 1–=

HP 39G Specifications

General

Brand	HP
Model	39G
Category	Calculator
Language	English