4
Discovering Algebra Calculator Notes for the Casio fx-7400G Plus
©2003 Key Curriculum Press
fx-7400G Plus
Note 0E • The Chaos Game
Follow the steps below:
a.
Link or manually enter the CHAOS program into your calculator.
(See
Note 0F
and
Note 0G.
)
b.
From the Main Menu, arrow to
PRGM
and press
. Arrow down to
select CHAOS and press
.
c.
You are asked to choose a Chaos shape. Press the appropriate
number and
to select the shape.
d.
You are then asked to enter a fraction between 0 and 1. You can
enter this value either as a fraction or a decimal number. Press
.
e.
The calculator will plot 1000 points by following the Chaos rules to
plot a fractal.
f.
When the program is done, press
to play again or
to quit.
File Name:CHAOS
ClrText∑
"CHAOS SHAPES"∑
Lbl 0∑
"1.RT TRIANGLE2.EQUILAT TRI3.RAND
TRIANG4.MORE"?áA∑
A<4ÓGoto 1∑
ClrText∑
"5.SQUARE"∑
"6.PENTAGON"∑
"7.HEXAGON"∑
"8.GO BACK"∑
?áA∑
Lbl 1∑
A=1ÓGoto 2∑
A=2ÓGoto 3∑
A=3ÓGoto 4∑
A=5ÓGoto 5∑
A=6ÓGoto 6∑
A=7ÓGoto 7∑
A=8ÓGoto 0∑
Lbl 2∑
" RT TRIANGLE"
ÿ
{.05,.95,.05}áList 1∑
{.05,.05,.65}áList 2∑
AC
/ON
EXE
EXE
EXE
EXE
EXE
Goto 8∑
Lbl 3
ÿ
" EQUILAT TRI"∑
{.05,.95,.5}áList 1∑
{.05,.05,.65}áList 2∑
Goto 8∑
Lbl 4∑
" RANDOM TRI"∑
{Ran#,Ran#,Ran#}áList 1∑
{.7£Ran#,.7£Ran#,.7£Ran#}áList 2∑
Goto 8∑
Lbl 5∑
" SQUARE"∑
{.2,.8,.8,.2}áList 1∑
{.05,.05,.65,.65}áList 2∑
Goto 8∑
Lbl 6∑
" PENTAGON"∑
.5+.35sin (72Ü£{0,1,2,3,4})áList 1∑
.35+.35cos (72Ü£{0,1,2,3,4})áList 2∑
Goto 8∑
Lbl 7∑
" HEXAGON"∑
.5+.35sin (60Ü£{0,1,2,3,4,5})áList 1∑
.35+.35cos (60Ü£{0,1,2,3,4,5})áList 2∑
(continued)
