Function app
57
To find the
extremum of the
quadratic
11. Move the cursor to the
quadratic equation and
find the extremum of the
quadratic.
\
(to move the tracer to
the quadratic)
=
Select
Extremum
The coordinates of the extremum are displayed at the
bottom of the screen.
H I N T
The
ROOT
and
EXTREMUM
functions return one value only
even if the function has more than one root or extremum.
The function finds the value closest to the position of the
cursor. You need to re-locate the cursor to find other roots
or extrema that may exist.
The FCN
Variables
The results of the FCN functions are saved in the following
variables:
•
Root
•
Isect
•
Slope
•
SignedArea
•
Extremum
Summary of Contents for 39gII
Page 1: ...HP 39gII graphing calculator user s guide Edition1 Part Number NW249 90001 ...
Page 2: ...Printing History Edition 1 November 201 1 ...
Page 32: ...22 Getting started ...
Page 58: ...48 Apps and their views ...
Page 70: ...60 Function app ...
Page 80: ...70 Solve app ...
Page 136: ...126 Polar app ...
Page 140: ...130 Sequence app ...
Page 148: ...138 Finance app ...
Page 152: ...142 Linear Solver app ...
Page 218: ...208 Matrices ...
Page 226: ...216 Notes and Info ...
Page 238: ...228 Variables and memory management ...
Page 318: ...308 Programming ...
Page 340: ...330 Reference information ...
Page 346: ...vi Product Regulatory Information ...