Guojian's Homepage
Writing
Reading
Listening
Watching
=
l
o
a
d
i
n
g
π
=
2
∫
0
∞
1
t
2
+
1
d
t
loading \\ \pi = 2 \int_0^\infty\frac{1}{t^2+1}\mathrm{d}t
l
o
a
d
in
g
π
=
2
∫
0
∞
t
2
+
1
1
d
t
X
Writing
Reading
Listening
Watching
About Me
Watching