---
title: "Guide: Conditional numeric functions"
slug: "guide-conditional-numeric-functions"
description: "Automate payroll calculations in Cintra iQ by building numeric expressions and conditions, then attaching them to a pay or deduction heading."
updated: 2026-06-10T11:19:12Z
published: 2026-06-10T11:19:12Z
canonical: "help.cintra.co.uk/guide-conditional-numeric-functions"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.cintra.co.uk/llms.txt
> Use this file to discover all available pages before exploring further.

# Guide: Conditional numeric functions

Conditional numeric functions allow you to automate payroll calculations in Cintra iQ based on specific criteria or conditions. This guide will help you create numeric expressions, define conditions, and link them together to build powerful, flexible calculations tailored to your organisation's payroll needs.

- [Create a conditional function numeric expression](/iq/docs/how-do-i-create-a-conditional-function-numeric-expression)
- [Create a condition](/iq/docs/how-do-i-create-a-condition)
- [Attach a conditional function to an addition heading](/iq/docs/how-do-i-attach-a-conditional-function-to-an-addition-heading)
- **Test the results**: Input the payroll period input for the different scenarios you have built a conditional expression for