---
title: "Functions"
description: "A function takes zero or more parameters, performs some calculation, and then returns a single value. A wide range of functions are available to help you perform different tasks – these are listed in the table below. In addition, two specific functions, Data(name) and System(name) are also available, which return source table data and system metadata respectively — these are described [page here] Eightwire is generally case-insensitive. This means that you can write your expressions in uppercase, lowercase, or any combination, provided you spell things correctly. When providing function parameters for comparison/searching type activities, these will work no matter what their case, provided they are otherwise an exact match – pay attention to any spaces or other punctuation, these count when searching or comparing things."
url: "https://eightwire.io/knowledge-base/functions/"
category: "Process Expressions Syntax"
generated: "2026-09-16"
---
# Functions

> A function takes zero or more parameters, performs some calculation, and then returns a single value. A wide range of functions are available to help you perform different tasks – these are listed in the table below. In addition, two specific functions, Data(name) and System(name) are also available, which return source table data and system metadata respectively — these are described [page here] Eightwire is generally case-insensitive. This means that you can write your expressions in uppercase, lowercase, or any combination, provided you spell things correctly. When providing function parameters for comparison/searching type activities, these will work no matter what their case, provided they are otherwise an exact match – pay attention to any spaces or other punctuation, these count when searching or comparing things.

## **String Manipulation**

![String Manipulation (screenshot)](https://eightwire.io/_astro/functions-1.29yJxScb_2x1ilR.webp)

## **Number Manipulation**

![Number Manipulation (screenshot)](https://eightwire.io/_astro/functions-2.DZkGo_Ch_Z1IXXzs.webp)

## **Date & Time Manipulation**

![Date & Time Manipulation (screenshot)](https://eightwire.io/_astro/functions-3.Cdy7cK3u_1jaEzq.webp)

## **Conversions**

![Conversions (screenshot)](https://eightwire.io/_astro/functions-4.BSWEdCTq_1kXO5N.webp)

## **Validation**

![Validation (screenshot)](https://eightwire.io/_astro/functions-5.Dv8OoNQy_Z2757g7.webp)

## **Formatting**

![Formatting (screenshot)](https://eightwire.io/_astro/functions-6.BZ86N2ec_ZSFaDh.webp)

## **Miscellaneous**

![Miscellaneous (screenshot)](https://eightwire.io/_astro/functions-7.BsxbvQVW_Asvdn.webp)

## **Special**

![Special (screenshot)](https://eightwire.io/_astro/functions-8.5c-u1N4b_Z1zu4Qk.webp)