Texas Instruments TI-84 - Manual (Page 490)

Chapter 17: Activities 487
Using a Program to Create the Sierpinski Triangle Using a Program to Create the Sierpinski Triangle Using a Program to Create the Sierpinski Triangle Using a Program to Create the Sierpinski Triangle
Setting up the Program Setting up the Program Setting up the Program Setting up the Program
This program creates a drawing of a famous fractal, the Sierpinski Triangle, and stores
the drawing to a picture. To begin, press
 ~ ~
1 . Name the program SIERPINS , and
then press
Í. The program editor is displayed.
Program Program Program Program
PROGRAM:SIERPINS
:FnOff :ClrDraw
:PlotsOff
:AxesOff
:0
!Xmin:1!Xmax
:0
!Ymin:1!Ymax
Set viewing window.
:rand
!X:rand!Y
:For(K,1,3000)
:rand
!N
Beginning of For group.
:If N 1 à3
:Then
:.5X
!X
:.5Y
!Y
:End
If/Then group