---
title: "Step 3: Creating custom formulas"
slug: "scroll-position-outdated-step-3-creating-custom-formulas"
updated: 2024-03-22T10:38:08Z
published: 2024-03-22T10:38:08Z
canonical: "docs.mapp.com/scroll-position-outdated-step-3-creating-custom-formulas"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mapp.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Step 3: Creating custom formulas

A couple of custom formulas are helpful for the analysis. You can set it up under *Custom Figures > Custom Formulas.*

## Scrollposition Avg.

Shows, what percentage of a page has been seen.

Calculation: ![](https://cdn.document360.io/554b9b98-6720-4d8b-9919-c7b203d72648/Images/Documentation/b3ca5803-65cf-4c14-b98f-2c4e15b985e0.png)

## Scrollposition 50+ %

Shows, in what percentage of all page calls more than 50 percent of the page has been seen.

Calculation: ![](https://cdn.document360.io/554b9b98-6720-4d8b-9919-c7b203d72648/Images/Documentation/9bf646dc-8da3-4a8f-88fc-af5c50196aa5.png)

The first element of the formulas is filtered as follows: ![](https://cdn.document360.io/554b9b98-6720-4d8b-9919-c7b203d72648/Images/Documentation/5be038a8-181f-4792-84fe-5239cff6953e.png)