Insert -> Symbol -> More Symbols.. Type 03bc then Alt+x.
letter, punctuation mark and mathematical symbol
press shift and numbers 1-0
You can press the shift key on either side of the keyboard and then lets say you want to make a $ sign so then you would hold down on one of the shift keys and then you would press the number 4 on...
On your computer go to Start>All Programs>Accessories>System Tools >Character Map.