---
url: 'https://adk.nht.io/api/@nhtio/adk/lib/helpers/bignum/functions/bigMean.md'
---

# Function: bigMean()

```ts
function bigMean(nums: number[]): BigNumber;
```

Defined in: [lib/helpers/bignum.ts:49](https://github.com/NHTIO/ADK/blob/v1.20260609.0/src/lib/helpers/bignum.ts#L49)

Exact arithmetic mean as a [BigNumber](https://mathjs.org/docs/datatypes/bignumbers.html). Caller guarantees `nums.length > 0`.

## Parameters

| Parameter | Type       |
| --------- | ---------- |
| `nums`    | `number`\[] |

## Returns

[`BigNumber`](https://mathjs.org/docs/datatypes/bignumbers.html)