WOLFRAM
|
DEMONSTRATIONS PROJECT
D
i
r
e
c
t
S
u
m
o
f
R
i
n
g
s
d
r
a
g
A
o
r
B
!
m
o
d
u
l
u
s
m
1
2
m
o
d
u
l
u
s
n
7
o
p
t
i
o
n
s
s
h
o
w
s
u
m
s
h
o
w
p
r
o
d
u
c
t
t
o
r
u
s
o
p
t
i
o
n
s
s
h
o
w
s
u
r
f
a
c
e
s
h
o
w
g
r
i
d
s
h
o
w
a
x
e
s
T
h
i
s
i
s
a
v
i
s
u
a
l
i
z
a
t
i
o
n
o
f
t
h
e
a
l
g
e
b
r
a
i
c
r
i
n
g
Z
m
⊕
Z
n
.
