£

The symbol pound ("£" or "₤") is based on the letter L , initial of the unit of mass pounds.

In economics, the symbol is used for the following currencies:

• Pound sterling (using "£")
  • £sd referred to the system used in the United Kingdom (up to 1971) and in much of the British and Commonwealth Empire.
• Italian lira (using Pound, already disused because of the euro)

In mathematics, the symbol is used for the Laplace transform.