What kind of answer do you expect with that type of question?

Pencil and paper have always come thru for me in the clutch when no computer was available. Hundreds of varieties of both available at your local Staples.

>>>Hi everybody,
>>>
>>>I'm wondering is it possible to create a class diagram without having Visual Studio or Visio installed?
>>>
>>>Thanks a lot in advance.
>>
>>MSPaint??
>
>What about more serious answer?