Does-Not-Precede (⊀)
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Codes for the "Does-Not-Precede" Symbol
Click on a green box to copy its contents.Formal Name:
Does-Not-Precede
The symbol:
⊀
The Alt Code:
Alt 8832
The HTML Code:
⊀
HTML Entity:
⊀
CSS Code:
\2280
Hex Code:
⊀
Unicode:
U+2280

Test Your Knowledge of the Mathematics Symbols
Here is a quick quiz to test your knowledge of the symbols used in Mathematics.View the Symbol in Different Sizes and Fonts
ABC ⊀ 123
ABC ⊀ 123
Attribute | Setting | Change |
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Font Size | ||
Font Family | Arial |
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Color/Colour |
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Video Explaining How to Insert Special Symbols
This video explains 7 ways to insert a special symbol into an MS Office application (e.g., Word) or a website using HTML, CSS, or JavaScript:How To Insert the ⊀ Symbol
(Method 1) Copy and paste the symbol.
Click on the ⊀ symbol from the table above. Press the "Copy" button, and then paste the symbol into your document.(Method 2) Use the "Alt Code."
The Alt Code for ⊀ is Alt 8832. If you have a keyboard with a numeric pad, you can use this method. Simply hold down the Alt Key and type 8832. When you lift the Alt Key, ⊀ appears. ("Num Lock" must be on.)(Method 3) Use the HTML Decimal Code (for webpages).
HTML Text | Output |
---|---|
⊀ | ⊀ |
(Method 4) Use the HTML Entity Code (for webpages).
HTML Text | Output |
---|---|
⊀ | ⊀ |
(Method 5) Use the CSS Code (for webpages).
CSS and HTML Text | Output |
---|---|
<style> span:after { content: "\2280";} </style> <span>Symbol:</span> | Symbol: ⊀ |
(Method 6) Use the HTML Hex Code (for webpages and HTML canvas).
HTML Text | Output |
---|---|
⊀ | ⊀ |
JavaScript Text |
---|
const x = "0x"+"2280" ctx.fillText(String.fromCodePoint(x), 5, 5); |
Output |
⊀ |
(Method 7) Use the Unicode (for various, e.g. Microsoft Office, JavaScript, Perl).
The Unicode for ⊀ is U+2280. The important part is the hexadecimal number after the U+, which is used in various formats. For example, in Microsoft Office applications (e.g. Word, PowerPoint), do the following:Type | Output |
---|---|
2280 [Hold down Alt] [Press x] | ⊀ (Note that you can omit any leading zeros.) |
JavaScript Text | Output |
---|---|
let str = "\u2280" document.write("My symbol: " + str) | My symbol: ⊀ |
(Method 8) Use an Image (for various).
HTML Text | Output |
---|---|
<img src = "myImg.png"/> | ⊀ |
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