The Purplemath Forums
Helping students gain understanding and self-confidence in algebra.
what does the expression "!" mean? 
5 posts
• Page 1 of 1
what does the expression "!" mean?
by fuzzy_bunny on Thu May 07, 2009 9:12 pm
what does the expression ! mean???
- fuzzy_bunny
- Posts: 2
- Joined: Wed May 06, 2009 11:51 pm
by stapel_eliz on Thu May 07, 2009 10:17 pm
Are you referring to the notation in your post here, "stripling_warrior"? If so, then try this lesson on factorials. 
-
stapel_eliz - Posts: 1705
- Joined: Mon Dec 08, 2008 4:22 pm
Re: what does the expression "!" mean?
by fuzzy_bunny on Fri May 08, 2009 6:23 pm
No, I'm stripling_warrior's sister i saw the post and wanted to know what ! meant.
- fuzzy_bunny
- Posts: 2
- Joined: Wed May 06, 2009 11:51 pm
Re: what does the expression "!" mean?
by Underachiever on Fri May 08, 2009 9:35 pm
Isn't that the notation used for a factorial?
- Underachiever
- Posts: 5
- Joined: Fri May 08, 2009 4:00 pm
- Location: Kansas
Re: what does the expression "!" mean? 
by stripling_warrior on Sat May 09, 2009 12:02 am
It is the factorial notation. 
-
stripling_warrior - Posts: 8
- Joined: Wed May 06, 2009 7:42 pm
- Location: California!!!
5 posts
• Page 1 of 1