How to Put an Infinity Symbol in the Computer

Written by richard kalinowski
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In 1656 John Wallis modified a Roman variation for "1000" to create what is now called the infinity symbol. Resembling a sideways "8," this symbol was originally a placeholder for any small numerical quantity; in modern mathematics, it is used to represent infinitesimal quantities. If you need to insert an infinity symbol with a computer for a mathematical equations, you can create this special character using a special codes or programs.

Skill level:
Easy

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Instructions

    PC With 10-Key Keypad

  1. 1

    Turn on your keyboard's "NumLock." If the "NumLock" light is already illuminated, leave it alone.

  2. 2

    Open the program with which you want to insert the infinity symbol.

  3. 3

    Click on the place in the spreadsheet or word-processing document where you want to insert the symbol.

  4. 4

    Press and hold the "Alt" key on your keyboard, then type the sequence "236" on your 10-key keypad. The infinity symbol appears on screen, and you can release the "Alt" key.

    PC Without 10-Key Keypad

  1. 1

    Click on the Windows Start menu and type "Character Map" into the blank field at the bottom of the Start menu. Click to open the Character Map.

  2. 2

    Type "221E" in the "Go to Unicode" box. This code automatically takes you to the infinity symbol on the map of special characters.

  3. 3

    Click "Select" and "Copy" to copy the symbol to your Clipboard.

  4. 4

    Click on the place where you want to insert the symbol, and press "Ctrl" and "V" to paste the infinity symbol into the document.

    Any Mac Computer

  1. 1

    Turn on your keyboard's "NumLock." If the "NumLock" is already turned on, leave it alone.

  2. 2

    Open the program with which you want to insert the infinity symbol.

  3. 3

    Click on the place in the worksheet or document where you want to insert the symbol.

  4. 4

    Press and hold the "Option" key, then press "5" on your keyboard. Release both keys, and the infinity symbol appears.

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