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P OG
n
MING
CALCULATE N FACTORIAL (N!)
STEP
KEY
X
y
z
F
e
00
CLEAR
0
0
0
0
0
1
STOP
N
ENTER N
~
X
2
X-+1
I
3
f
N
4
IF
X=Y
5
CONTINUE
6
1
1
7
"'
N
N
8
"'
N
N
N
9
1
1
a
-
1
N'-1
N'
I
I
b
IFX>Y
c
1
d
6
10
ROLL
~
N'- 1
N'
1
1
X
N'(N'-1)
2
ROll
"'
1
N'-1
N' (N' -1)
3
GO TO ( ) ( )
4
0
5
a
6
0
0
N'-1
N!
7
ROLL
~
N'-
1
N!
0
8
f
N
N!
0
9
END
N
N!
0
·
DISPLAY
·
A
blan
k register ind
icates
the contents of the register are
unc
ha
nged
from the previous
step.
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