Mathematics

Check if a value is a natural number

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

Double-precision floating-point positive infinity.

C APIs for registering a Node-API module exporting an interface for invoking a unary numerical function.

Return the real and imaginary components of a double-precision complex floating-point number.

Return the real and imaginary components of a single-precision complex floating-point number.

Test if a double-precision floating-point numeric value is NaN.

Double-precision floating-point negative infinity.

The bias of a double-precision floating-point number's exponent.

Compute the absolute value of a double-precision floating-point number.

Smallest positive double-precision floating-point normal number.

Test if a double-precision floating-point numeric value is infinite.

Return a double-precision floating-point number with the magnitude of x and the sign of y.

The maximum biased base 2 exponent for a double-precision floating-point number.

High word mask for the exponent of a double-precision floating-point number.

The maximum biased base 2 exponent for a subnormal double-precision floating-point number.

The minimum biased base 2 exponent for a subnormal double-precision floating-point number.

Multiply a double-precision floating-point number by an integer power of two.

C APIs for registering a Node-API module exporting an interface for invoking a binary numerical function.

Computes the greatest common divisor (gcd).

Computes the least common multiple (lcm).

Parse math interval

High word mask for excluding the sign bit of a double-precision floating-point number.

High word mask for the sign bit of a double-precision floating-point number.

Positive infinity.

Contour Plots of Mathematical Functions

Mathematical expression evaluator

the gamma function (Γ)

Round a double-precision floating-point number toward negative infinity.

Test if a finite double-precision floating-point number is an integer.

A mathematically correct random number generator library for JavaScript.

Compute the principal square root of a double-precision floating-point number.

Natural logarithm.

Implementation of special functions and distributions mathematical functions from the cephes library.

Test if a finite numeric value is an even number.

Natural logarithm of 2.

Round a double-precision floating-point number toward positive infinity.

Test if a finite numeric value is an odd number.

Exponential function.

Round a double-precision floating-point number toward zero.

Find how many values of a discrete periodic function are contained in an interval.

Find the nearest value of a discrete periodic function, given a point.

Round a numeric value to the nearest integer.

Given a point and a distance, determine how many periodic values were skipped.

Natural exponential function.

High word mask for the significand of a double-precision floating-point number.

Compute `x - nπ/2 = r`.

π.

Compute the sine of a number on `[-π/4, π/4]`.

Test if a double-precision floating-point numeric value is negative zero.