[Home](./index.md) > [@apextoaster/js-utils](./js-utils.md) > [sum](./js-utils.sum.md) ## sum() function Add numbers. Signature: ```typescript export declare function sum(a: number, b: number): number; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | a | number | | | b | number | | Returns: number