@mathlib/functions

Mathematical functions

Installation

npm install @mathlib/functions

Usage

const { factorial } = require("@mathlib/functions");

console.log(factorial(5)); // 120

Using ES6 imports

import { factorial } from "@mathlib/functions";

console.log(factorial(5)); // 120

Available Functions

Function ▼	Description	Parameters	Returns
factorial(n)	Factorial of given number	n -> Input number	number
isEven(n)	Check if given number is even	n -> Input number	boolean
isOdd(n)	Check if given number is odd	n -> Input number	boolean
mod(a, n)	Modulo function. Returns "a mod n"	a -> dividend n -> divisor	number
Native Math Methods
abs	Returns built-in Math.abs
acos	Returns built-in Math.acos
acosh	Returns built-in Math.acosh
asin	Returns built-in Math.asin
asinh	Returns built-in Math.asinh
atan	Returns built-in Math.atan
atan2	Returns built-in Math.atan2
atanh	Returns built-in Math.atanh
cbrt	Returns built-in Math.cbrt
ceil	Returns built-in Math.ceil
clz32	Returns built-in Math.clz32
cos	Returns built-in Math.cos
cosh	Returns built-in Math.cosh
exp	Returns built-in Math.exp
expm1	Returns built-in Math.expm1
floor	Returns built-in Math.floor
fround	Returns built-in Math.fround
hypot	Returns built-in Math.hypot
imul	Returns built-in Math.imul
log	Returns built-in Math.log
log10	Returns built-in Math.log10
log1p	Returns built-in Math.log1p
log2	Returns built-in Math.log2
max	Returns built-in Math.max
min	Returns built-in Math.min
pow	Returns built-in Math.pow
random	Returns built-in Math.random
round	Returns built-in Math.round
sign	Returns built-in Math.sign
sin	Returns built-in Math.sin
sinh	Returns built-in Math.sinh
sqrt	Returns built-in Math.sqrt
tan	Returns built-in Math.tan
tanh	Returns built-in Math.tanh
trunc	Returns built-in Math.trunc

Examples

Modulo of negative numbers

const { mod } = require("@mathlib/functions");

console.log(11 % 7); // 4
console.log(mod(11, 7)); // 4

console.log(-11 % 7); // -4
console.log(mod(-11, 7)); // 3

console.log(11 % -7); // 4
console.log(mod(11, -7)); // -3

console.log(-11 % -7); // -4
console.log(mod(-11, -7)); // -4