> For the complete documentation index, see [llms.txt](https://docs.valq.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.valq.com/model/formula-functions/math-functions/sum.md).

# SUM

The SUM function returns the sum of all numbers in the arguments, which can be numbers or node references.

### Syntax

SUM(value1, ...valueN?) - > number

### Arguments

<table><thead><tr><th width="159">Arguments</th><th width="148">Datatype</th><th>Description</th></tr></thead><tbody><tr><td>value1</td><td>Number/Node reference</td><td>The first node or number to be added. This is a required argument.</td></tr><tr><td>...valueN?</td><td>Number/Node reference</td><td>The additional nodes or numbers to be added. These are optional arguments.</td></tr></tbody></table>

### Example

Consider sales of a particular product across different regions East, South, Central and West to be as follows. The total sales is to be calculated.

<figure><img src="/files/2mVNLAwLGwjTavWDtlYL" alt=""><figcaption></figcaption></figure>

To achieve this, the following formula should be written in the \[Total Sales] node:

<mark style="color:blue;">**`SUM`**</mark>**`(`**<mark style="color:purple;">**`[East],`**</mark><mark style="color:orange;">**`[South]`**</mark>**`,`**<mark style="color:red;">**`[Central]`**</mark>**`,`**<mark style="color:green;">**`[West]`**</mark>**`)`**

### **Result**

<figure><img src="/files/S7M69eNERIucSIzuoSsy" alt=""><figcaption><p><strong>Sum</strong></p></figcaption></figure>


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