---
title: "Functions Icon | Free Download PNG & SVG | Sharp Line - Material Symbols"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/functions--29906
canonical_url: "https://www.streamlinehq.com/icons/download/functions--29906"
summary: "Sharp line icon of an angular sigma between two horizontal bars. Used for math, functions, and calculus tools."
---

# Functions icon

The Functions icon shows a bold angular sigma shape connecting two horizontal bars. Drawn in the sharp line style on a 24px grid, giving its geometric form crisp alignment for compact UI. Use it for mathematical functions, summation tools, formula editors, calculus interfaces, and data-analysis controls. It belongs to Sharp Line - Material Symbols free set in the Google Material family.

## Preview

![Sharp line icon of an angular sigma between two horizontal bars. Used for math, functions, and calculus tools.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/text-formatting/functions-yia7qwnu8mjyznr4q2ak.png/functions-4dfx25hloqaoe7urhoc3ue.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Functions
- **Type**: Icon
- **Set**: [Sharp Line - Material Symbols](/icons/material-symbols-sharp-line.md) — Material Symbols by Google - free customizable icon set with icons in outlined, rounded, and sharp variants.
- **Family**: [Google Material](/icons/material-symbols.md)
- **Style**: Line, Outlined, Geometric
- **Category**: Text Formatting › Text Formatting
- **Default size**: 24px
- **Pricing**: Free
- **License**: [Apache](https://www.apache.org/licenses/LICENSE-2.0.txt)
- **Author**: [Google](https://fonts.google.com/icons)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: functions, sum, summation, sigma, notation, series, math, calculus, statistics, equation, algebra, mathematics, calculation, Greek, alphabet, symbol

## Download

- [Download Functions on Streamline](https://www.streamlinehq.com/icons/download/functions--29906)

## Also available in other styles

- [Functions — Rounded Line - Material Symbols](/icons/download/functions--29943.md) (Free)
- [Functions — Outlined Line - Material Symbols](/icons/download/functions--29998.md) (Free)

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