Основные операции
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Значение
Adds two quantities.
Справочник
Практический справочник по распространённым математическим символам с правилами чтения, командами LaTeX, примерами и идеями для AI-запросов.
Основные операции
Adds two quantities.
Основные операции
Subtracts one quantity from another, or marks a negative value.
Основные операции
Multiplies two quantities. In algebra, multiplication is often written with a dot or omitted.
Основные операции
Divides one quantity by another nonzero quantity.
Основные операции
Represents division or a ratio with a numerator and denominator.
Основные операции
Indicates that both the positive and negative alternatives are being considered.
Основные операции
The nonnegative value whose square is x, unless a different convention is stated.
Отношения
States that two expressions have the same value or represent the same object.
Отношения
Shows that two expressions do not have the same value.
Отношения
Indicates a rounded or approximate value rather than exact equality.
Отношения
Allows equality while comparing two quantities.
Отношения
Compares two quantities while allowing equality.
Отношения
Shows that one quantity changes by a constant multiple of another.
Теория множеств
The set with no elements.
Теория множеств
Shows that a value belongs to a set.
Теория множеств
Shows that a value does not belong to a set.
Теория множеств
Usually indicates that every element of one set is in another, and the two sets are not equal.
Теория множеств
Allows two sets to be equal while stating subset inclusion.
Теория множеств
Combines all elements that are in either set.
Теория множеств
Keeps only the elements shared by both sets.
Логика
States that a claim applies to every object in a domain.
Логика
States that at least one object satisfying a condition exists.
Логика
Reverses the truth value of a statement.
Логика
True only when both connected statements are true.
Логика
True when at least one connected statement is true.
Логика
Connects a condition to a conclusion.
Логика
States that two statements imply each other.
Множества чисел
The set used for counting numbers. Whether 0 is included depends on convention.
Множества чисел
All whole numbers, including negative values, zero, and positive values.
Множества чисел
Numbers expressible as a ratio of two integers with nonzero denominator.
Множества чисел
Numbers represented on the continuous number line.
Множества чисел
Numbers of the form a+bi, where i is the imaginary unit.
Множества чисел
The constant ratio of a circle's circumference to its diameter.
Математический анализ
A symbol for unbounded growth or an unending process, not an ordinary real number.
Математический анализ
Adds a sequence of terms over an index range.
Математический анализ
Multiplies a sequence of terms over an index range.
Математический анализ
Represents accumulation, signed area, or an antiderivative depending on context.
Математический анализ
Used when differentiating a multivariable function with respect to one variable.
Математический анализ
Used for gradient, divergence, curl, and related vector-calculus operations.
Алгебра
A rectangular arrangement of entries used to represent linear maps, systems, and data.
Алгебра
Swaps rows and columns of a matrix.
Алгебра
A matrix that multiplies with A to produce the identity matrix, when it exists.
Алгебра
A scalar value that captures scaling, orientation, and invertibility information of a square matrix.
Геометрия
Represents an angle formed by two rays or segments.
Геометрия
A unit for measuring angles, where a full turn is 360 degrees.
Геометрия
Shows that two lines or vectors meet at a right angle.
Геометрия
Shows that two lines or vectors have the same direction and do not meet in a plane.
Скобки и разделители
The distance of a number from zero on the number line.
Скобки и разделители
The greatest integer less than or equal to x.
Скобки и разделители
The smallest integer greater than or equal to x.
Аббревиатуры
Marks the end of a proof. Some texts use Q.E.D. or a filled square.
Аббревиатуры
Introduces a conclusion that follows from previous statements.
Аббревиатуры
Introduces a reason or supporting statement.
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