Construction of the real numbers - Wikipedia
In mathematics, there are several equivalent ways of defining the real numbers. One of them is that they form a complete ordered field that does not contain ...
Interval (mathematics) - Wikipedia
In mathematics, a (real) interval is the set of all real numbers lying between two fixed endpoints with no \"gaps\". Each endpoint is either a real number or ...
Imaginary number - Wikipedia
An imaginary number is a real number multiplied by the imaginary unit i, which is defined by its property i2 = −1. The square of an imaginary number bi is ...
Error function - Wikipedia
In many of these applications, the function argument is a real number. If the function argument is real, then the function value is also real. In statistics, ...
Single-precision floating-point format - Wikipedia
Single-precision floating-point format is a computer number format, usually occupying 32 bits in computer memory; it represents a wide dynamic range of ...
Absolute value - Wikipedia
In mathematics, the absolute value or modulus of a real number x {\\displaystyle x} {\\displaystyle x} , denoted | x | {\\displaystyle |x|} {\\displaystyle |x|} ...
Complex number - Wikipedia
In mathematics, a complex number is an element of a number system that extends the real numbers with a specific element denoted i, called the imaginary unit ...
Real number - Wikipedia
The real numbers include the rational numbers, such as the integer −5 and the fraction 4 / 3. The rest of the real numbers are called irrational numbers. Some ...
Floor and ceiling functions - Wikipedia
In mathematics, the floor function (or greatest integer function) is the function that takes as input a real number x, and gives as output the greatest ...
Exponentiation - Wikipedia
The definition of exponentiation can be extended to allow any real or complex exponent. Exponentiation by integer exponents can also be defined for a wide ...