[Home](./index.md) > [@essex/toolbox](./toolbox.md) > [Bin](./toolbox.bin.md) ## Bin interface The Bin holds an array of values that match the bounding criteria, along with an additional pair of properties indicating that bounding. Signature: ```typescript export interface Bin extends Array ``` Extends: Array<number> ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [x0](./toolbox.bin.x0.md) | | number | Minimum \_computed\_ value for the bin | | [x1](./toolbox.bin.x1.md) | | number | Maximum \_computed\_ value for the bin |