[OS X TeX] boxing equations
Arthur Snoke
snoke at vt.edu
Tue Apr 4 13:51:01 CEST 2006
Below is my question and two solutions: using amsmath allows \boxed or
using \displaystyle inside of \fbox when the argument is in math mode.
Both worked.
I am using the \boxed option because it allows me to do things like
$$ a \Rightarrow \boxed{b}$$
so I can highlight the "most important" equation for my math-phobic
students.
Thanks for the quick response!
>> I want to box equations that are written using $$ ...$$.
>>
>> \fbox does not work. Tex Companion says to use \boxed, but when I try it I
>> get "Undefined control sequence."
>>
>
> You have to put "\usepackage{amsmath}" in the preamble of your document.
and later ...
>> \fbox does not work.
>
> I should have said \fbox{$\displaystyle...$} instead of \fbox{...},
> otherwise \fbox assumes text. Maybe that's the problem?
>
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