Not sign (negation) (¬)
U+00AC · NOT SIGN · Unicode 1.1 (1993)
How to type ¬
Windows
Alt code (numeric keypad)
Alt+0172
Turn on Num Lock, hold the Alt key, type 0172 on the numeric keypad and let go of Alt: ¬ appears.
The shorter code Alt+170 works too in most programs.
Word and Outlook: Alt + X
00AC Alt+X
Type 00AC and press Alt+X right after it: Word turns the code into ¬. Press Alt+X again to turn it back into the code.
Emoji and symbols panel (Windows 10 and 11)
Win+.
Press Win + full stop (.) to open the panel, go to the Symbols tab (Ω) and pick ¬.
No numeric keypad on your laptop? See the other ways in our Alt codes guide.
Mac
Keyboard shortcut (U.S. layout)
⌥ Option+L
Press ⌥ Option+L to type ¬. This is on the standard U.S. and U.S. English Mac layouts.
Character Viewer
Ctrl+⌘ Cmd+Space
Press Ctrl+⌘+Space (or the Globe key + E), search for “not sign (negation)” and click ¬ to insert it.
iPhone
Make a shortcut (Text Replacement)
Turn a short word into ¬ once and type it in any app:
- Copy ¬ from this page.
- Open Settings › General › Keyboard › Text Replacement and tap +.
- Paste ¬ as the Phrase and type a Shortcut, for example ;not.
- Now type ;not anywhere: the keyboard suggests ¬.
Android
Make a shortcut (Gboard personal dictionary)
Teach your keyboard a short word that turns into ¬:
- Copy ¬ from this page.
- Open Gboard settings › Dictionary › Personal dictionary, choose your language and tap +.
- Paste ¬ as the word and type a shortcut, for example ;not.
- Type ;not in any app and tap ¬ in the suggestions.
Linux
Unicode input
Ctrl+Shift+U 00ac Enter
Press Ctrl+Shift+U, type 00ac and press Enter or Space. Works in GTK apps and with IBus (GNOME, Ubuntu, Fedora).
What ¬ means and how it is used
The official Unicode name of ¬ is NOT SIGN, code point U+00AC. You will find it in the Latin-1 Supplement block; it was added in Unicode 1.1 (1993).
It also goes by these names and keywords: not.
It sits in the math with 148 symbols, among them π ∞ √ ± ×.
Codes for HTML, CSS and JavaScript
Tap Copy next to the code you need.
| HTML entity | ¬ | |
|---|---|---|
| HTML decimal | ¬ | |
| HTML hex | ¬ | |
| CSS | content: "\00AC"; | |
| JavaScript | \u00AC | |
| URL | %C2%AC | |
| UTF-8 bytes | C2 AC | |
| Unicode | U+00AC |
Will it show on my friend's phone?
¬ has been in Unicode since version 1.1 (1993). Practically every phone, computer and app shows it.
Checking your device…
Don't confuse ¬ with
These look alike but are different characters. Search, sorting and screen readers treat them differently, so copy the one you mean.
- ¬Not sign (negation)U+00AC · NOT SIGN
- ￢U+FFE2 · Halfwidth and Fullwidth Forms
Names in other languages
What ¬ is called in the 12 languages of this site (Unicode CLDR and our editors). Tap a name to open that language's page.
| Language | Name |
|---|---|
| English | Not sign (negation) |
| Português | Símbolo de negação |
| Español | Símbolo de negación |
| Italiano | Simbolo negazione |
| Français | Symbole négation |
| Deutsch | Negationszeichen |
| Türkçe | Değil işareti (olumsuzlama) |
| Bahasa Indonesia | Simbol negasi |
| Polski | Symbol negacji |
| Русский | Знак отрицания |
| 日本語 | 否定記号 |
| 한국어 | 부정 기호 |
Related symbols
All Math →Questions people ask
How do I type ¬ on a laptop without a numeric keypad?
On Windows press Win + full stop (.) and pick ¬ in the Symbols tab, or in Word type 00AC and press Alt+X. On a Mac press ⌥ Option+L.
What is the difference between ¬ and ￢?
¬ is the not sign (negation) (U+00AC). ￢ is a different character: ￢ (U+FFE2, Halfwidth and Fullwidth Forms block). They can look alike, but computers treat them as different letters, so a search for one will not find the other.
How do I type ¬ on an iPhone?
The iPhone keyboard has no key for ¬. Copy it here, then add it in Settings › General › Keyboard › Text Replacement with a shortcut like ;not.
What is the HTML code for the not sign (negation)?
Use the entity ¬ or the numeric code ¬ (hex ¬). In CSS write \00AC, in JavaScript \u00AC.
Will ¬ show on every phone?
¬ has been in Unicode since version 1.1 (1993). Practically every phone, computer and app shows it.