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4. Type the following program lines.
Request "Enter an integer",n
Displays a dialog box that prompts 
“Enter an integer”, waits for the user to 
enter a value, and stores it (as a string) 
to variable n.
expr(n)!n
Converts the string to a numeric 
expression.
0!temp
Creates a variable named temp and 
initializes it to 
0.
For i,1,n,1
Starts a For loop based on variable i. 
First time through the loop, i = 1. At 
end of loop, i is incremented by 1. Loop 
continues until i > n.
temp+i!temp
Adds current value of i to temp.
EndFor
Marks the end of the For loop.
Disp temp
Displays the final value of temp.
Type the program lines as shown. Press 
¸ at the end of each line.
5. Go to the Home screen. Enter the program 
name, followed by a set of parentheses.
You must include ( ) even when there are no 
arguments for the program.
The program displays a dialog box with the 
prompt specified in the program.
@ " 2 ™ PROG j 1 c d 
¸
Steps and keystrokes Display
prog1()