> When I wrote a math fomula in Math mode, I wanted to make some
> characters inside to be 'bold' so that it appears to be a vector. But I
> can not achieve the effect. Can you give me some instruction?
This is documented in the User's Guide, read the chapter on math. I *think*
you can type "m-c b" to get it, but you should check yourself.
If you plan to write a lot of bold vectors, you might want to define a math
macro to ease the job. This is also documented in the User's Guide.
Good luck,
Asger
