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Heroicons

Flagpack

Clean line icon of an angular sigma-like shape with top and bottom bars. Used for math, functions, and sums.

Functions

Sharp solid icon of a zigzag between two horizontal bars. Used for functions, formulas, and math tools.

Sharp line icon of a bold sigma-shaped symbol. Used for math, summation, formulas, and statistics.

Sharp line icon of an angular Z-shaped symbol with top and bottom bars. Used for math; programming.

Rounded line icon of two horizontal bars joined by a zigzag diagonal. Used for functions, math, coding, and formula tools.

Clean line icon of a bold summation symbol. Used for functions, mathematics, formulas, and calculations.

Clean line icon of an angular sigma symbol. Used for functions, formulas, math tools, and data analysis.

Clean solid icon of angular sigma-like symbol with top and bottom bars. Used for math, formulas, functions, and code tools.

Functions Fill

Rounded solid icon of a bold Z-shaped zigzag. Used for functions, formulas, math tools, and data analysis.

Sharp line icon of a stylized ƒ and x symbols. Used for formulas, mathematics, spreadsheets and function tools.

Function

Clean line icon of a lowercase f beside an x between horizontal bars. Used for functions, formulas, coding, and math tools.

Clean line icon of a stylized function symbol with rounded open strokes and a crossing bar. Used for math, calculus, and coding.

Function Symbol

Clean line icon of a branching workflow with rounded nodes and circular endpoints. Used for AWS Step Functions.

Amazon Web Service Step Functions

Clean line icon of a flowchart with three rounded boxes and two circles. Used for workflows and orchestration.

Sharp solid icon of a bold sigma symbol. Used for sums, formulas, statistics, and calculation tools.

Clean line icon of an integral symbol and x inside parentheses. Used for calculus, functions, and math tools.

Function X Math

Rounded line icon of an f and x with horizontal bars. Used for math, equations, and coding tools.

Clean line icon of a lowercase f beside parentheses enclosing an x. Used for function notation, equations, and math UI.

Sharp solid icon of a mathematical f(x) expression. Used for algebra, functions, equations, and math tools.

Clean solid icon of a rounded workflow diagram with three pill blocks and circular nodes. Used for workflows.

Rounded solid icon of an f-like mark beside a crossed x. Used for math tools, equations, graphs, and formulas.

Function Fill

Clean solid icon of a musical note overlapping crossed shuffle arrows. Used for shuffled music, playlists, and audio controls.

Sharp gradient icon of a curved stroke, crossbar, and angular X mark. Used for layer styles and visual effects.

Layer Style

Clean line icon of layered rounded rectangles with a diagonal bar and tabs. Used for artboard resizing and canvas controls.

Artboard Shrink

Clean line icon of a musical note beside crossed directional arrows. Used for audio functions, music tools, and media controls.

Sharp solid icon of a hooked f-like form beside crossed bars and an x-like shape. Used for function notation and math tools.

Clean solid icon of stylized lowercase f and n. Used for function controls, programming tools, and formula editors.

Clean line icon of a curved function symbol with a crossbar and split lower stroke. Used for math, coding, and formulas.

Clean line icon of an eye surrounded by four outward corner arrows. Used for eye, expand, and fullscreen controls.

Iris Control Function

Clean line icon of an eye framed by four outward corner arrows. Used for iris control, vision settings, and focus interfaces.

Sharp solid icon of an eye with a circular pupil and four inward-pointing corner arrows. Used for camera iris controls.

Clean line icon of stylized lowercase f and x letters. Used for layer effects, text styling, and design controls.

Sharp solid icon of lowercase f and x glyphs. Used for layer effects, styling, and design tools.

Clean line icon of a horizontal line meeting a curved arc. Used for branching diagrams and flowcharts.

Branch Line 4

Clean hybrid solid and line icon of angle brackets in a rounded code window. Used for code, editors, and developer tools.

Code Block

Rounded solid icon of a curved upright bar, a crossbar, and crossed diagonal strokes. Used for layer styling and design tools.

Bold solid icon of a command key symbol with four rounded ends inside a square. Used for keyboard shortcuts and command controls.

Command Square

Sharp solid icon of a command symbol with four rounded loops joined by horizontal and vertical bars. Used for keyboard shortcuts.

Command

Clean line icon of a curved vertical mark with a horizontal bar beside crossed diagonal lines. Used for formulas and equation editors.

Clean line icon of a square root symbol and X enclosed in a circle. Used for math tools and algebra.

Square Root X Circle

Clean duotone icon of a rounded code window with angle brackets. Used for coding, developer tools, and programming.

Sharp solid icon of a square root symbol and X inside a circle. Used for math, algebra, and calculation tools.

Clean hybrid solid and line icon of a pair of opposing curly braces. Used for code, JSON, and developer tools.

Curly Brackets

Rounded line icon of a rounded browser panel with three dots, a dash, and a gear. Used for keyboard options and settings.

Keyboard Option Setting Gear

Clean line icon of a square root symbol with an x beneath its radical bar. Used for math tools, equations, and algebra.

Square Root X

Clean line icon of two horizontal bars joined by an angled zigzag stroke. Used for functions, formulas, code, and math tools.

Rounded line icon of a thick zigzag with horizontal bars at top and bottom. Used for functions, formulas, and math tools.

Sharp line icon of an angular sigma between two horizontal bars. Used for math, functions, and calculus tools.

Clean gradient icon of two opposing curly braces. Used for code, programming, syntax, and developer tools.

The Functions icon shows a bold zigzag form connecting rounded horizontal bars at the top and bottom. Drawn in the rounded line style on a 24px grid so its simple geometry stays clear at small sizes. Use it for mathematical functions, formulas, calculators, coding tools, and data analysis interfaces. It belongs to Rounded Line - Material Symbols free set in the Google Material family.

<p>Material Symbols by Google - free customizable icon set with icons in outlined, rounded, and sharp variants.</p>

Rounded Line - Material Symbols

<p>Material Symbols by Google is a free, customizable set of 3,300+ icons in outlined, rounded, and sharp styles. Adjustable size and color make them ideal for web, app, UI/UX, and graphic design.</p>

Functions is a line-style Icon from Rounded Line - Material Symbols set.