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Learn about the history, origin, and encoding of the radical symbol √, which is used to denote the square root or higher-order root of a number. Find out how to type the radical symbol in different languages and platforms, and how to distinguish it from the cube root symbol ∛.
Learn what a cube root is, how to find it for real and complex numbers, and how to use it in mathematics and geometry. The cube root symbol is √, and the cube root of a number x is a number y such that y3 = x.
Learn about the Unicode characters with a derived property of "Math" in various blocks, such as Mathematical Operators, Supplemental Mathematical Operators, and Miscellaneous Technical. See the code charts and examples of mathematical notation for each block.
Learn about the origins and solutions of cubic equations, which are polynomial equations of degree 3. Explore the contributions of ancient and medieval mathematicians, such as Babylonians, Greeks, Chinese, Indians, and Persians, and the algebraic formula by Ferrari and Cardano.
Learn how the Greek letter rho (Ρρ) and other Greek letters are used as symbols for constants, functions, variables, and more in various fields of study. See the typography, history, and variations of Greek letters in mathematical notation.
A surd is an unresolved root, such as , that is written with a radical symbol or radix. Learn about the history, notation, and properties of nth roots, including square roots and cube roots, in mathematics.
Learn the meaning and usage of various mathematical symbols, such as +, -, ×, ÷, and more. Find out how to type them in LaTeX and Unicode formats.
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