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I add a label text in ArcMap, but I would like that at the beginning of the text to show the symbol Delta as a Greek alphabet (Δ). I tried the unicode Python code (u+0394) but it didn't work.

I would like to get this -> ΔPM2.5 and I tried this -> 'u+0394' MP2,5, and u"u/0394" MP2,5, but I didn't get the delta letter.

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  • For VBScript, it is ChrW(&h0394) &"PM2.5" . For Python, it is u"\u0394" + "PM2.5". Since ArcMap uses Python 2.x, you have to explicitly tell it you are using a unicode string.
    – bixb0012
    Commented Feb 27, 2022 at 18:49

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The simplest way is to copy the character from the Windows Character Map and paste it into the text. Note parser has to be VBScript.

Character Map

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