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U+29A1 · Miscellaneous Mathematical Symbols-B

Spherical Angle Opening Up ⦡

Spherical Angle Opening Up is the Unicode character U+29A1 (official name “SPHERICAL ANGLE OPENING UP”) from the Miscellaneous Mathematical Symbols-B block. It belongs to SymbolHero’s math symbols collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.

UnicodeU+29A1
HTML⦡
⦡U+29A1

Character codes

Unicode code pointU+29A1
Decimal10657
HTML (hex)⦡
HTML (decimal)⦡
CSS\29A1
JavaScript\u29A1
Python\u29A1
UTF-8 bytesE2 A6 A1
UTF-1629A1
URL-encoded%E2%A6%A1

Character details

Official nameSPHERICAL ANGLE OPENING UP
Unicode blockMiscellaneous Mathematical Symbols-B
General categoryMath Symbol (Sm)
SymbolHero categoryMath Symbols
EmojiNo

How to type ⦡

Windows

  • In Microsoft Word or Outlook: type 29A1 then press Alt + X.
  • Open Character Map (search “Character Map” in Start), tick “Advanced view”, search for “spherical angle opening up”, then Select and Copy.

Mac

  • Press Control + Command + Space to open the Character Viewer, search “spherical angle opening up”, and double-click the result.
  • With the Unicode Hex Input keyboard enabled (System Settings → Keyboard → Input Sources), hold Option and type 29A1.

iPhone & Android

  • Tap Copy at the top of this page, then long-press where you want it and choose Paste.

Docs & web

  • Google Docs: Insert → Special characters, then search “spherical angle opening up” or enter U+29A1.
  • HTML: ⦡
  • Excel / Google Sheets: =UNICHAR(10657)

Similar math symbols

Double Left Arc Greater-Than Bracket
Double Right Arc Less-Than Bracket
Left Black Tortoise Shell Bracket
Right Black Tortoise Shell Bracket
Dotted Fence
Vertical Zigzag Line
Measured Angle Opening Left
Right Angle Variant with Square
Measured Right Angle with Dot
Angle with S Inside
Acute Angle
Spherical Angle Opening Left
Turned Angle
Reversed Angle
Angle with Underbar
Reversed Angle with Underbar
Oblique Angle Opening Up
Oblique Angle Opening Down
Reversed Empty Set
Empty Set with Overbar
Empty Set with Small Circle Above
Circle with Horizontal Bar
Circle Divided by Horizontal Bar and Top Half Divided by Vertical Bar
Circle with Superimposed X

See all 714 math symbols →

Questions

What is the Unicode for ⦡?

It is U+29A1 (SPHERICAL ANGLE OPENING UP), decimal 10657.

Is there a Windows Alt code for it?

No standard Alt code exists for this character. In Word type 29A1 then Alt+X, or copy it from this page.

How do I type it on a Mac?

There is no built-in Option shortcut. Use the Character Viewer (Control + Command + Space) and search “spherical angle opening up”, or copy it from this page.

What is the HTML code?

Use the numeric reference ⦡ (or ⦡). There is no named entity.