How do I type the ⍊ apl functional symbol down tack underbar symbol?

On Windows, type 234A and press Alt+X. On Linux press Ctrl+Shift+U then 234a. On any system the quickest route is the copy button on this page.

What is the code for ⍊?

Apl Functional Symbol Down Tack Underbar is U+234A. In UTF-8 it takes 3 bytes. The table above lists every escape format.

What kind of character is ⍊?

Apl Functional Symbol Down Tack Underbar is filed under Other symbol in the Miscellaneous Technical block, and was introduced in Unicode 1.1. Unicode files this under "other symbol" — the catch-all for pictographs, signs and marks that are neither maths, currency, nor letter-like. It is the largest symbol category in the standard.

U+234A · Other symbol

Apl Functional Symbol Down Tack Underbar Symbol ⍊

⍊ is apl functional symbol down tack underbar, U+234A. Unicode also records it as “up tack underbar”. It was added in Unicode 1.1, and Unicode files it under Other symbol.

Also known as

up tack underbar

What Unicode says about ⍊

preferred naming for APL tack symbols now follows the London Convention in ISO/IEC 13751:2000 (APL Extended)

— annotation from the Unicode Standard, NamesList.txt

Codes & technical data

Unicode	`U+234A`
HTML hex	`⍊`
HTML decimal	`⍊`
CSS	`\234A`
JavaScript	`\u{234A}`
Python	`\U0000234A`
Java / C#	`\u234A`
Rust	`\u{234a}`
Swift	`\u{234A}`
PHP	`\u{234A}`
URL encoded	`%E2%8D%8A`
UTF-8 bytes	`E2 8D 8A`
UTF-16 bytes	`234A`
Base64	`4o2K`
Decimal	`9034`
Category	Other symbol (So)
Introduced	Unicode 1.1

Will ⍊ survive being pasted?

Normalisation. Yes. ⍊ is unchanged by NFKC, so it survives normalising systems intact.
Legacy encodings. ⍊ is Unicode-only — it has no Latin-1 equivalent, so a system stuck on an 8-bit encoding cannot represent it.
Size. 3 bytes in UTF-8. Character-limited fields — SMS, bios, some form validators — usually count bytes, not characters.

Unicode cross-references

The standard points readers of ⍊ at these characters — usually because they look alike, or because one is the correct choice where the other is often used by mistake.

⊥U+22A5up tack

Other underbar characters

Unicode names 12 characters ending in “underbar”. They differ by direction, weight or decoration rather than by meaning.

Nearby in Miscellaneous Technical

Symbols from engineering, electronics and computing: APL operators, keyboard keys, dentistry and cartography marks. The ⌘ ⌥ ⇧ ⏎ keys people paste into shortcut documentation live here.

All 256 characters in Miscellaneous Technical →

How to type ⍊

Windows	Type `234A` then press `Alt`+`X`
macOS	Press `Ctrl`+`Cmd`+`Space`, then search for “apl functional symbol down tack underbar”
Linux	Press `Ctrl`+`Shift`+`U`, type `234a`, press `Enter`
HTML	`⍊`

About Unicode’s Other symbol category

Unicode files this under "other symbol" — the catch-all for pictographs, signs and marks that are neither maths, currency, nor letter-like. It is the largest symbol category in the standard.

Frequently asked questions

How do I type the ⍊ apl functional symbol down tack underbar symbol?: On Windows, type 234A and press Alt+X. On Linux press Ctrl+Shift+U then 234a. On any system the quickest route is the copy button on this page.
What is the code for ⍊?: Apl Functional Symbol Down Tack Underbar is U+234A. In UTF-8 it takes 3 bytes. The table above lists every escape format.
What kind of character is ⍊?: Apl Functional Symbol Down Tack Underbar is filed under Other symbol in the Miscellaneous Technical block, and was introduced in Unicode 1.1. Unicode files this under "other symbol" — the catch-all for pictographs, signs and marks that are neither maths, currency, nor letter-like. It is the largest symbol category in the standard.