Texas Instruments TI-89 Manuale Utente

Activities

752

Running a Tutorial Script Using the Text Editor

This activity shows you how to use the

Text Editor

to run a tutorial script.

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.

Note:

The command symbol

is accessed from the

„

1:Command

toolbar menu.

2. Find the minimum surface area when the

value of

equals 300.

Enter:

300

Enter:

sa(v^(1/3), v^(1/3),v)

Note:

Press

¸ to obtain the exact

result in symbolic form. Press

8 ¸ to

obtain the approximate result in decimal
form.

1. Open the

Text Editor

, and create a

new variable named

demo1