For Macs: (at least this one)
º - Press Option and the Zero (the row on top - not the keypad zero)
™ - Press Option and the number 2 (the row on top)
£ - Press Option and the number 3 (the row on top)
¢ - Press Option and the number 4 (the row on top)
∞ - Press Option and the number 5 (the row on top)
§ - Press Option and the number 6 (the row on top)
¶ - Press Option and the number 7 (the row on top)
• - Press Option and the number 8 (the row on top)
ª - Press Option and the number 9 (the row on top)
Review: © - Option and g
® - Option and r
Are there others?