Texas Instruments Derive 5 Introduction Manual page 38

Kutzler & Kokol-Voljc: Introduction to D
Move the square to get a better approximation of the left zero.
Move the square near the left zero and note the cross coordinates in the Status Bar.
Now the change of sign happens between x=-0.62 and x=-0.618. Produce a graph with steeper
intersections to get a more accurate answer.
Zoom in vertically only, using the
A highly recommended tool is the
rectangle graphically.
Prepare for choosing a crop rectangle by using the
The mouse cursor turns into a crosshair.
Choose a crop rectangle: Click and hold the left mouse button at the top left corner of the
desired area. Drag the mouse down and to the right until the box encloses the desired area.
Release the mouse button.
The Set 2D-Plot Range
choices you just made with the mouse. This dialog box could be obtained in the first place using
the command. But a graphical choice of the plot range is often more convenient.
Set>Plot Range
5
ERIVE
Zoom vertical in
Set range with box
dialog box is displayed, reflecting the numerical equivalents of the
button .
button , which allows to choose a crop
Set range with box
33
button .