@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