math problem writting

[locolarry]

would you be so kind as to tell me how to get to write for instance a mean and standard deviation problem with my keyboard or the place to find it on your site i can't find where to click on to write the square root or anything thank you so much

[pka]

would you be so kind as to tell me how to get to write for instance a mean and standard deviation problem with my keyboard or the place to find it on your site i can't find where to click on to write the square root or anything thank you so much

You can learn some basic LaTeX codeing.
[tex] \cup [/tex] gives [tex] \cup [/tex] is union
[tex] \cap [/tex] gives [tex] \cap [/tex] is intersection
[tex] \subseteq [/tex] gives [tex] \subseteq [/tex] is subset
[tex] \cup [/tex] gives [tex] \cup [/tex] is union
[tex] \in [/tex] gives [tex] \in [/tex] is element
[tex] \emptyset [/tex] gives [tex] \emptyset [/tex] is emptyset
[tex] \wedge [/tex] gives [tex] \wedge [/tex] and
[tex] \vee [/tex] gives [tex] \vee [/tex] or
[tex] \sqrt{x^{-1}+1} [/tex] gives [tex] \sqrt{x^{-1}+1} [/tex]