[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [Mat3](./rc-js-util.mat3.md) > [scalarAdd](./rc-js-util.mat3.scalaradd.md) ## Mat3.scalarAdd() method **Signature:** ```typescript scalarAdd(_value: number, _result?: Mat3): Mat3; ``` ## Parameters

Parameter	Type	Description
\_value	number
\_result	[Mat3](./rc-js-util.mat3.md)<TResult>	_(Optional)_

**Returns:** [Mat3](./rc-js-util.mat3.md)<TResult>