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25D0 25E0 25F0 Symbol Name Symbol Name Symbol Name Last Hex# HTML Hex HTML Hex HTML Hex Dec Picture Dec Picture Dec Picture CIRCLE WITH LEFT HALF BLACK
female sign u+2642: ♂: male sign u+2660: ♠: black spade suit u+2661 ♡ white heart suit u+2662 ♢ white diamond suit u+2663: ♣: black club suit u+266d ♭ music flat sign u+266e ♮ music natural sign u+266f ♯ music sharp sign
For a far more comprehensive list of symbols and signs, see List of Unicode characters. For other languages and symbol sets (especially in mathematics and science), see below . This article contains special characters .
In logic, a set of symbols is commonly used to express logical representation. The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics.
Square sign may refer to: The number sign # The radical symbol or √ used for square root, or its precomposed form with a number, such as the Unicode characters for the cube root and the fourth root, ∛ and ∜; Any square-shaped symbol, including many geometrically shaped Unicode characters
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The radical symbol refers to the principal value of the square root function called the principal square root, which is the positive one. The two square roots of a negative number are both imaginary numbers , and the square root symbol refers to the principal square root, the one with a positive imaginary part.