Writing formulae

hey, i was wondering what u guys use to write your formulae. i have this formula to write but i cant write it using the normal keyboard..

thanks

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siddharth
Homework Helper
Gold Member
You mean Latex?
Read the second post in the general physics forum.

brewnog
Gold Member
Depends what you're writing it in. MS Word has an equation editor you can use. For PF, see the sticky threads which show you how to use Latex formatting.

arildno
$$\frac{\pi}{4}$$