Texas Instruments TI-86 ユーザーズマニュアル
12
Quick Start
00QWIKST.DOC TI-86, Quick Start, US English Bob Fedorisko Revised: 02/13/01 1:51 PM Printed: 02/13/01 2:59 PM Page 12 of 14
� Trace the function
y2
. As you trace, the
displayed
y
value is the solution for
5(cos x)
at the current
x
value, which also
is displayed on the screen.
" and !
Evaluating y for a Specific x Value (During a Trace)
� Enter a real number (or an expression that
resolves to a real number) that is within
the dimensions of the current graph
screen. When you enter the first character,
the
the dimensions of the current graph
screen. When you enter the first character,
the
x=
prompt is displayed.
6
� Evaluate
y2
at
x=6
. The trace cursor
moves directly to the solution. The
y
value,
or solution of the equation at
x
, is
displayed on the screen.
b
Changing a Window Variable Value
� Display the
GRAPH
menu.
6
� Select
WIND
from the
GRAPH
menu to
display the window editor.
(continued)
'
The window variables values
determine the dimensions of
the graph screen.
determine the dimensions of
the graph screen.