Theta upper case Θ, Theta small upper case θ and Theta lower case ϑ symbols in Microsoft Word, Excel, PowerPoint, or Outlook. Both in Office for Windows and Office for Mac.
Theta (uppercase Θ or θ / lowercase ϑ) is the eighth letter of the Greek alphabet.
The lowercase symbol represents many things, such as an unknown variable in trigonometry, or a plane angle in geometry.
The uppercase symbol can be used for a dimension of temperature or represents the time decay of options in finance.
How Theta upper cases and Theta lower case look in different fonts.
Here’s some examples of how the Theta upper case, Theta small upper case and Theta lower case symbols look in common Office fonts in Word 365.
Theta uppercase, small uppercase and lowercase symbol codes
These are the important code numbers or values you’ll need to enter the three symbols.
Use the Alt + X shortcut in Word for Windows, for example, type 0398 then Alt + X to enter Θ.
Or enter the value into Character Code fields in Symbol dialog boxes to jump to that symbol.
Theta uppercase symbol Θ U+ 0398
Theta small uppercase symbol θ U+ 03B8
Theta lowercase symbol ϑ U+ 03D1
Quick access for commonly used symbols.
If you use a symbol often, a fast way to enter it is AutoCorrect.
Once in a document you can copy it to AutoCorrect and make your own shortcut.
Word, Excel, PowerPoint and Outlook
Insert | Symbols | Symbol and look for the Theta symbol using Character Code 0398.
Window 10 Emoji Panel
The Windows 10 Emoji Panel has the Theta symbol Θ. Use Win + . (period/fullstop) to open the panel.
Choose the Symbols tab (the third of the top row icons), then the Language Symbols section which is marked by the capital Ω … handy that. To find the Theta letters, look at the second row.
Windows Character Map
Similarly, the Windows Character Map accessory in all Windows releases. Character Map has a search feature, something missing from the Insert | Symbol in Office.
Or use one of the hex character codes to jump to the right part of the list.
MacOS and Office for Mac inserting characters
On a Mac, to enter the Male, Female or combo symbol:
- Command + Control + Spacebar shortcut to open the Character Viewer.
- Search for “Theta“ should find the symbol you need as the first result.
Despite the name Character Viewer, the Apple system tool will also insert characters into any program, including Office for Mac.
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