---
title: "Functions Fill Icon | Free Download PNG & SVG | Outlined Fill - Material Symbols"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/functions-fill--29980
canonical_url: "https://www.streamlinehq.com/icons/download/functions-fill--29980"
summary: "Sharp solid icon of a bold angular Greek sigma symbol. Used for math, summation, formulas, and statistics."
---

# Functions Fill icon

The Functions Fill icon shows a bold, angular Greek sigma symbol for summation. Drawn in the solid style on a 24px grid for clear, compact UI use. Use it for math tools, formulas, statistics, functions, and calculation controls. It belongs to Outlined Fill - Material Symbols free set in the Google Material family.

## Preview

![Sharp solid icon of a bold angular Greek sigma symbol. Used for math, summation, formulas, and statistics.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/text-formatting/functions-fill-60jmqmdmy4dytkser3ofb.png/functions-fill-5sxi2ps7mhsl42qzwgs89o.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Functions Fill
- **Type**: Icon
- **Set**: [Outlined Fill - Material Symbols](/icons/material-symbols-outlined-fill.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**: Solid, Bold, Glyph, 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, series, sigma, calculus, math, notation, equation, algebra, statistics, Greek, alphabet, calculation

## Download

- [Download Functions Fill on Streamline](https://www.streamlinehq.com/icons/download/functions-fill--29980)

## Also available in other styles

- [Functions Fill — Sharp Fill - Material Symbols](/icons/download/functions-fill--29935.md) (Free)
- [Functions Fill — Rounded Fill - Material Symbols](/icons/download/functions-fill--29973.md) (Free)

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