Rightwards Two Headed Arrow

Part of Arrows

Rightwards Two Headed Arrow has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.

Alt code
None
HTML entity
↠
Unicode
U+21A0

About this symbol

↠, a two-headed arrow, means a surjection, a function that reaches every possible output at least once. The two heads show that the whole target is covered.

Unicode facts

Official name
RIGHTWARDS TWO HEADED ARROW
Also called
Z notation total surjection, Fast cursor right
Type
Maths symbol
Unicode block
Arrows
Unicode group
Arrows with modifications
Added in
Unicode 1.1 (1993)

Click the symbol or any value at the top of the page to copy it. See the full Arrows chart for related characters.

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