Quote:
Originally Posted by desertblues
anyone knows how to make mathematical symbols on my new macbookpro;like 3 to the power 2 etc.? 
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Most will depend on the application you're using (since they need size changes, superscripting and subscripting, etc.) But there are some simple characters.
Infinity is alt-5: ∞
not equals is alt-=: ≠
pi is alt-p: π
PI is alt-shift-p: ∏
derivitive is alt-d: ∂
and there are others. The Keyboard Viewer is the easiest way to find them all.