Equation Editor: Find the Best for Your Needs

[LizardKing23]

Hello.
I am looking for an equation editor to use on this site, othersites, for homework, etc. I am not sure if physics forums has one built in or what, but I see many people writing out cool-looking equations without using ^ or * or /.
Can someone tell me where to find a good, easy equation editor?

Thank You

 

[Integral]

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