PLANCK CONSTANT OVER TWO PI is one of the 80 characters in the Letterlike Symbols Unicode subset.
The image below shows how the PLANCK CONSTANT OVER TWO PI symbol looks like in some of the most complete UTF-8 fonts: Code2000, Sun-ExtA, WenQuanYi Zen Hei and GNU Unifont. If the font in which this web site is displayed does not contain the PLANCK CONSTANT OVER TWO PI symbol, you can use the image below to get an idea of what it should look like.
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