Dollar sign
How to type it
Left index finger with Shift.
Common uses
- The dollar sign goes before an amount of money in the United States and several other countries, as in $19.99.
- It is also used for pesos and other currencies; for example, Mexico uses $ for the peso.
Less common uses
- In Unix shells, $ reads the value of a variable, so $HOME gives your home directory.
- A shell prompt often ends in $, which signals that the shell is ready for a command.
- In spreadsheets, $ locks a row or column in a formula, as in $A$1.