---
title: "Sigma Icon | Free Download PNG & SVG | Sharp Flat"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/sigma--25487
canonical_url: "https://www.streamlinehq.com/icons/download/sigma--25487"
summary: "Sharp flat icon of a geometric uppercase sigma. Used for math, summation, and formulas."
---

# Sigma icon

The Sigma icon shows a bold geometric uppercase sigma with angled sides and squared horizontal bars. Drawn in the flat style on a 24px grid, it delivers crisp, high-tech geometry for larger illustrative interfaces. Use it for mathematical notation, summation tools, formula editors, statistics dashboards, and science or engineering applications. It belongs to Sharp Flat set in the Sharp family.

## Preview

![Sharp flat icon of a geometric uppercase sigma. Used for math, summation, and formulas.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/text-formatting/sigma-w7t9wxfuk5jpov8asd5t8.png/sigma-x3dutq1mi9yqrwmks7v4.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Sigma
- **Type**: Icon
- **Set**: [Sharp Flat](/icons/sharp-flat-style.md) — Sharp cuts the chase with its bold and geometric look. It follows strict construction guidelines to convey a high-tech feel. The Flat style is easy to integrate into projects that need icons with a more illustrative purpose, working best at larger sizes. All Sharp Flat icons are designed on a 24px grid with two customizable colors.
- **Family**: [Sharp](/icons/sharp-sets.md) — Brutalist icons
- **Style**: Flat, Geometric
- **Category**: Interface Essential › Text Formatting
- **Default size**: 24px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: sigma, summation, summation_symbol, math, formula, calculation, algebra, arithmetic, vector, geometry, formatting, format, text, arrow

## Download

- [Download Sigma on Streamline](https://www.streamlinehq.com/icons/download/sigma--25487)

## Also available in other styles

- [Sigma — Sharp Solid](/icons/download/sigma--25323.md) (Pro)
- [Sigma — Sharp Remix](/icons/download/sigma--28731.md) (Pro)
- [Sigma — Sharp Gradient](/icons/download/sigma--28008.md) (Pro)
- [Sigma — Sharp Pop](/icons/download/sigma--31671.md) (Pro)
- [Sigma — Sharp Neon](/icons/download/sigma--30716.md) (Pro)
- [Sigma — Sharp Line](/icons/download/sigma--24979.md) (Pro)
- [Sigma — Sharp Duo](/icons/download/sigma--25155.md) (Pro)

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