# Special-Use Numeric Types

Work with fixed-width numeric types of different sizes.

## Topics

### Unsigned Integers

- ``Swift/UInt``
- ``Swift/UInt8``
- ``Swift/UInt16``
- ``Swift/UInt32``
- ``Swift/UInt64``
- ``Swift/UInt128``

### Signed Integers

- ``Swift/Int8``
- ``Swift/Int16``
- ``Swift/Int32``
- ``Swift/Int64``
- ``Swift/Int128``

### Casting Between Integer Types

- ``Swift/numericCast(_:)``

### Floating-Point Values

- ``Swift/Float16``
- ``Swift/Float80``

### Floating-Point Type Aliases

- ``Swift/Float32``
- ``Swift/Float64``
