---
title: "Sigma Icon | Free Download PNG & SVG | Core Gradient"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/sigma--28293
canonical_url: "https://www.streamlinehq.com/icons/download/sigma--28293"
summary: "Sharp gradient {icon} of thick angular sigma with rounded ends. Used for math, symbols."
---

# Sigma icon

The Sigma icon shows a thick, angular Greek sigma formed by horizontal top and bottom bars connected by a diagonal zigzag. Drawn in the gradient style on a 14px grid, its filled geometry stays bold and legible in compact interfaces; use it for mathematical notation, formulas, science tools, symbol pickers, and educational interfaces. It belongs to Core Gradient set in the Core family.

## Preview

![Sharp gradient {icon} of thick angular sigma with rounded ends. Used for math, symbols.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/core-gradient/interface-essential/text-formatting/sigma-5g5tv1xw36xzf0s4b4aq7.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Sigma
- **Type**: Icon
- **Set**: [Core Gradient](/icons/core-gradient.md) — Core is timeless, like the Helvetica font or The Beatles. With its minimalist design and neutrality, it can adapt to any layout. The Gradient style is best suited for designs where impact and immersion are key, especially on dark backgrounds. All Core Gradient icons are designed on a 14px grid using filled shapes as gradient colors.
- **Family**: [Core](/icons/core-sets.md) — Minimal icons
- **Style**: Gradient, Minimal, Wireframe
- **Category**: Interface Essential › Text Formatting
- **Default size**: 14px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: sigma, sum, formula, chevron, format, formatting, triangle, arrow, video, media, control, text, pointer, play, forward, start

## Download

- [Download Sigma on Streamline](https://www.streamlinehq.com/icons/download/sigma--28293)

## Also available in other styles

- [Sigma — Core Remix](/icons/download/sigma--28915.md) (Pro)
- [Sigma — Core Line](/icons/download/sigma--23567.md) (Pro)
- [Sigma — Core Solid](/icons/download/sigma--23707.md) (Pro)
- [Sigma — Core Neon](/icons/download/sigma--30586.md) (Pro)
- [Sigma — Core Flat](/icons/download/sigma--23958.md) (Pro)
- [Sigma — Core Duo](/icons/download/sigma--24040.md) (Pro)
- [Sigma — Core Pop](/icons/download/sigma--31486.md) (Pro)

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