---
title: "Functions Icon | Free Download PNG & SVG | Ultimate Regular"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/functions--23517
canonical_url: "https://www.streamlinehq.com/icons/download/functions--23517"
summary: "Clean line icon of an angular sigma-like shape with top and bottom bars. Used for math, functions, and sums."
---

# Functions icon

The Functions icon shows an angular sigma-like mark with horizontal top and bottom bars connected by a zigzag diagonal, plus short vertical end caps. Drawn in the line style on a 24px grid with a 1.5px stroke so it stays clear at small sizes. Use it for mathematical functions, summation notation, formulas, calculators, and data or analytics interfaces. It belongs to Ultimate Regular set in the Ultimate family.

## Preview

![Clean line icon of an angular sigma-like shape with top and bottom bars. Used for math, functions, and sums.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/table-tools/functions-gnahainecd992wgn7pp9m.png/functions-yr4tro56o39bn7eug3ccj.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Functions
- **Type**: Icon
- **Set**: [Ultimate Regular](/icons/streamline-regular.md) — Icon encyclopedia with every concept. Regular style prioritizes simplicity, adapts to light/dark backgrounds. 
- **Family**: [Ultimate](/icons/ultimate-sets.md) — The encyclopedia of icons
- **Style**: Line, Minimal, Stroke
- **Category**: Interface Essential › Table Tools
- **Default size**: 24px
- **Stroke width**: 1.5px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: functions, sigma, summation, math, calculation, symbol, algebra, addition, Greek, interface, tools, text, arrow

## Download

- [Download Functions on Streamline](https://www.streamlinehq.com/icons/download/functions--23517)

## Also available in other styles

- [Functions — Ultimate Bold](/icons/download/functions--23535.md) (Pro)
- [Functions — Ultimate Light](/icons/download/functions--23504.md) (Pro)

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