The symbol is used to denote temperature in physics, in particular the characteristic Debye temperature. To include the theta symbol in Latex you need to use the following syntax:

Press Command ⌘+Control ⌃+Space to bring up the Special Characters window.There is no special key for inserting theta symbol on Mac. The letter will automatically turn into a symbol for theta.Select it and in the top menu on the “Home” tab set the font “Symbol”.Type the code “ 03F4” for Greek capital letter theta and “ 03B8” for Greek small letter theta instead of the character.And your keyboard must also have a numeric keypad. Now release the alt code symbol appears automatically where you placed your cursor.Then hold the Alt key and type 233 or 952 using the numeric keypad.Place the mouse click where you need to place the symbol.To do this, firstly open your Word document.Yea though this Symbol does not have a devoted key on the computer keyboard, you can still type it on the computer keyboard with the Alt code technique.

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