The number in brackets after a user name represents the number of 'trust points' a user has accrued. You give a user a trust point when you click on the 'Recommend contributor' link underneath the answer.
How many trust points you have
30ths or 30s I think this is what you mean. If not just write a message on my message board. :)
If you mean here, on Answers.com, I think everybody who can go to your profile can also write on your message board.
the number is negative.
It's the number of notifications you have. Check that it matches.
For elements with no stable isotopes, the mass number of the isotope with the longest half-life is in parentheses.
what do you mean?respond to me on my message board please thanks!!!
If you mean postings on your message board - then no. There is no option to stop people adding comments to your message board.
I think you mean parentheses. Parentheses are ().
This means you have a negative balance.
What do you mean what do you become (answer on my message board and i will try to answer this)
Depending on the error, it could either mean that someone posted before you got a chance to, or possibly, the message board could have been protected. If you get a yellow message, and there is no box to type, then it means that the message board was protected. If you are able to click the post button, but then it pops up a screen asking you to edit the board, then it means that someone posted before you.
the / forward slash means or