Texas Instruments TITANIUM TI-89 - Manual (Page 128)

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Programming Programming Programming Programming
Write a program that prompts the user to enter an integer, sums all integers from 1 to the
entered integer, and displays the result.
Steps and keystrokes Display
1. Use O to display the Program Editor .
Create a new program.
Press 3
2. Type PROG1 (with no spaces) as the
name of the new program variable.
Press D D PROG j 1
3. Display the “template” for a new program.
The program name, Prgm , and EndPrgm
are shown automatically.
After typing in an input box such as
Variable, you must press
¸ twice.
Press ¸ twice.