The Greek Small Letter Eta symbol (η). Copy and paste it, or use its Unicode, HTML, and CSS codes.
More from Greek Letters.
The quickest way is to copy η from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
η is U+03B7 (decimal 951).
Use η in HTML to render η on a web page.
On Windows you can type it with Alt+951 (hold Alt and enter the number on the numeric keypad).
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