The Mathematical Symbol "Original Of (⊶)"

The ⊶ Symbol: Original Of

The ⊶ symbol is not as commonly known or used as many other mathematical symbols. It signifies "original of" in some mathematical contexts, but its application might be specialized or restricted to certain areas of study or specific texts. If one encounters this symbol in literature, it is crucial to refer to the context in which it is used or to the specific definition provided by the author or the standard being followed.


The primary utility of ⊶ is to denote the relation of an object being the original of another, particularly in contexts where such a distinction between the original and its derivatives or transformations is crucial.


  • Example 1: In the context of mappings or functions, if a function maps an element \( A \) to \( B \), then \( A \) can be said to be the ⊶ \( B \) under that function.
  • Example 2: In some computer science or information theory contexts, if a data \( D \) is transformed into \( D' \) via some process (e.g., encoding, encryption, compression), then \( D \) could be represented as the ⊶ \( D' \) to denote that it's the original data from which \( D' \) was derived.

It's worth noting that the exact interpretation and usage of ⊶ might vary depending on the specific domain or context. Always ensure to check definitions and conventions in the field or text you're working with.

Mathematical symbol 'Original Of'

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Codes for the ⊶ Symbol

The Symbol
Alt CodeAlt 8886
HTML Code⊶
HTML Entity⊶
CSS Code\22B6
Hex Code⊶

How To Insert the ⊶ Symbol

(Method 1) Copy and paste the symbol.

The easiest way to get the ⊶ symbol is to copy and paste it into your document.

Bear in mind that this is a UTF-8 encoded character. It must be encoded as UTF-8 at all stages (copying, replacing, editing, pasting), otherwise it will render as random characters or the dreaded �.

(Method 2) Use the "Alt Code."

If you have a keyboard with a numeric pad, you can use this method. Simply hold down the Alt key and type 8886. When you lift the Alt key, the symbol appears. ("Num Lock" must be on.)

(Method 3) Use the HTML Decimal Code (for webpages).

HTML TextOutput
<b>My symbol: &#8886;</b>My symbol: ⊶

(Method 4) Use the HTML Entity Code (for webpages).

HTML TextOutput
<b>My symbol: &origof;</b>My symbol: ⊶

(Method 5) Use the CSS Code (for webpages).

CSS and HTML TextOutput
span:after {
content: "\22B6";}
<span>My symbol:</span>
My symbol: ⊶

(Method 6) Use the HTML Hex Code (for webpages and HTML canvas).

HTML TextOutput
<b>My symbol: &#x22B6;</b>My symbol: ⊶
On the assumption that you already have your canvas and the context set up, use the Hex code in the format 0x22B6 to place the ⊶ symbol on your canvas. For example:
JavaScript Text
const x = "0x"+"E9"
ctx.fillText(String.fromCodePoint(x), 5, 5);

(Method 7) Use the Unicode (for various, e.g. Microsoft Office, JavaScript, Perl).

The Unicode for ⊶ is U+22B6. 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:
[Hold down Alt]
[Press x]

(The 22B6 turns into ⊶. Note that you can omit any leading zeros.)
In JavaScript, the syntax is \uXXXX. So, our example would be \u22B6. (Note that the format is 4 hexadecimal characters.)
JavaScript TextOutput
let str = "\u22B6"
document.write("My symbol: " + str)
My symbol: ⊶