How to type symbols, accents, special characters, and weird punctuation

How to type Ohm sign Ω

On Windows:
Hold down the ALT key and type 0937 on the keypad
Note: alt code greater than 255 are not universal and will only work in applications that support them such as Wordpad or Words

On Mac OS:
Hold down the Option key and press Z

Ω or Ω

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