Calculator widget

---
title: Calculator widget
description: The calculator widget does simple calculations. You can use this base system widget as-is in your portal or clone it to suit your own business needs.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/platform-user-interface/service-portal/calculator-widget.html
release: brazil
product: Service Portal
classification: service-portal
topic_type: concept
last_updated: "2026-09-10"
reading_time_minutes: 1
breadcrumb: [Example widgets, Widget library, Using portal widgets, Configuring Service Portal, Service Portal, Configure UIs and portals, Configure user experiences]
---

# Calculator widget

The calculator widget does simple calculations. You can use this base system widget as-is in your portal or clone it to suit your own business needs.

Use the calculator widget as an example of how to pass data between the client and server.

\[Omitted image "WidgetCalculator.png"\] Alt text: Calculator widget containing a math problem

## Instance options

The calculator widget does not include instance options.

**Parent Topic:**[Example widgets](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/platform-user-interface/service-portal/sp-example-widgets.md)

**Related topics**  


[Create and edit a page using the Service Portal Designer]()

[Configure widget instances]()

[Clone a widget]()