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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 the meanings and uses of various mathematical symbols, such as + (plus sign), − (minus sign), × (multiplication sign), and more. See examples, syntax, and Unicode and LaTeX renderings of each symbol.
A comprehensive overview of the Unicode characters, covering 161 modern and historical scripts, as well as multiple symbol sets. Learn how to reference Unicode characters using numeric or entity codes, and see the control codes and special characters.
Miscellaneous Symbols is a Unicode block containing glyphs from various categories, including astrological signs. The web page shows the code chart and the definitions of the symbols, such as ♈ for Aries, ♉ for Taurus, and ♊ for Gemini.
Learn about the equalities that involve trigonometric functions and are true for every value of the variables. Find the Pythagorean, reciprocal, reflection, shift, periodicity, angle sum and difference, and Ptolemy identities with examples and proofs.
Learn about the various properties assigned to each Unicode character and code point, such as general category, bidi category, combining class, and numeric type. See the list of properties, values, and examples for different code points and characters.
A complex number is an expression of the form a + bi, where a and b are real numbers, and i is an imaginary unit. The absolute value (or modulus) of a complex number z is the non-negative square root of the sum of its squares, and the argument of z is the angle from the positive real axis to z.
A logarithm is the inverse function of exponentiation, and has the form logb x = y, where b is the base and x is the argument. Learn about the properties of logarithms, such as logarithmic identities, logarithmic scales, and logarithmic functions.