---
title: NSDecimalNumber.RoundingMode.plain
framework: foundation
role: symbol
role_heading: Case
path: foundation/nsdecimalnumber/roundingmode/plain
---

# NSDecimalNumber.RoundingMode.plain

Round to the closest possible return value; when caught halfway between two positive numbers, round up; when caught between two negative numbers, round down.

## Declaration

```swift
case plain
```

## See Also

### Constants

- [NSDecimalNumber.RoundingMode.down](foundation/nsdecimalnumber/roundingmode/down.md)
- [NSDecimalNumber.RoundingMode.up](foundation/nsdecimalnumber/roundingmode/up.md)
- [NSDecimalNumber.RoundingMode.bankers](foundation/nsdecimalnumber/roundingmode/bankers.md)