ダブルストライクキャピタルパイ ℿ

The capital letter 「pi」 is commonly used to denote product in mathematics. It may also describe potential energy in dimensional analysis. As for scientific papers, you are most likely to encounter classic symbols along with additional decorative elements such as ∏ , 𝛱 , 𝝥 . They belong to the category 数学用英数字記号  1D400–1D7FF .

Double struck uppercase letter pi is also suitable for writing formulas and calculations. However, it is more often seen in headings, nicknames, titles, and other texts that are supposed to draw the readers' attention. Use the uppercase pi in combination with other outlined symbols to make your text look remarkable.

シンボル「ダブルストライクキャピタルパイ」は「文字様記号」ブロックの「追加の文字のような記号」サブブロックに含まれており、2002年にUnicodeバージョン3.2の一部として承認されました。