Can any one give me a link for a tool that goes in the tool bar for a spell check & a language converter?

as i have disenabeled mine somehow& cant find it lol
Update: TYPO........ DISENABLED
Update 2: im not real computer cluey..
& i see that green thing in the tools bar has vanished lol
Update 3: mr answerman..it was not from yahoo,
and it looked like a green spanner Xbut thanks
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