Represents negation in programming, like 'not' in English.

Computer Operations

In UNIX/Linux systems, '~' can take you to your home directory.

Home Directory Shortcut

Used in mathematics to indicate approximation, not an exact figure.

Changes how you pronounce the letter it is on, often nasalizes.

Not used in English, but crucial for accurate spelling in other languages.

Placement varies internationally on keyboards, know your layout.