I
n
[
]
:
=
E
n
g
i
n
e
e
r
i
n
g
F
o
r
m
[
6
6
6
6
6
.
6
6
]
O
u
t
[
]
/
/
E
n
g
i
n
e
e
r
i
n
g
F
o
r
m
=
6
6
.
6
6
6
7
×
3
1
0
how can i set the engineering form as
6
.
6
6
6
6
6
6
4
x
1
0
, feel strange that the original engineering form like that , is it a new regulation?