# Numeric Implementations ## Topics ### Operators [`static func * (Decimal, Decimal) -> Decimal`](/documentation/Foundation/Decimal/*(_:_:)) Multiplies two decimal numbers. [`static func *= (inout Decimal, Decimal)`](/documentation/Foundation/Decimal/*=(_:_:)) Multiplies two decimal numbers, storing the result in the first number. ### Initializers [`init?(exactly: T)`](/documentation/Foundation/Decimal/init(exactly:)) Creates a new decimal value exactly representing the provided integer. ### Instance Properties [`var magnitude: Decimal`](/documentation/Foundation/Decimal/magnitude) The magnitude of this decimal. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)