Texas Instruments TI-89 Titanium Short User Manual page 102

Running a Tutorial Script
Perform the following steps to write a script using the Text Editor, test
each line, and observe the results in the history area on the Home screen.
1. Open the Text Editor, and create a
new variable named
Note: The command symbol
toolbar menu.
2. Type the following lines into the Text Editor.
: Compute the maximum value of f on the closed interval [a,b]
: assume that f is differentiable on [a,b]
C : define f(x)=x^3N2x^2+xN7
C : 1!a:3.22!b
C : d(f(x),x)!df(x)
C : zeros(df(x),x)
C : f(ans(1))
C : f({a,b})
: The largest number from the previous two commands is the
maximum value of the function. The smallest number is the
minimum value.
Press ... and select
3.
the Text Editor and the Home screen on a
split-screen. Move the cursor to the first line
in the Text Editor.
96
.
demo1
is accessed from the „
C
to show
1:Script view
1:Command
Activities