what is the semicolon used for in an algebra equation?

[derf]

i am trying to help my son with his homework but i can't rember what the semicolon is used for in an algebra equation, i would be greatful for any help. thank you

 

[tkhunny]

?? Not a clue. Can you provide an example?

 

[dagr8est]

http://mathworld.wolfram.com/CovariantDerivative.html

I have no clue what all of that means but take a look. If you're ever asked what a semicolon is used for in mathematics, you can blurt out "covariant derivatives" and look like a genius.

 

[stapel]

Multi-post.