@aritro2002/multiplication

Multiplication helpers that validate their input and keep float drift out of the result.

Install

npm install @aritro2002/multiplication

Usage

import {
  multiply,
  product,
  productAll,
  power,
  percentOf,
  multiplyPrecise,
} from '@aritro2002/multiplication';

multiply(3, 4); // 12
product(2, 3, 4); // 24
productAll([5, 0]); // 0
power(2, 10); // 1024
percentOf(250, 20); // 50
multiplyPrecise(0.1, 0.2, 2); // 0.02

API

| Export | Description | | --- | --- | | multiply(a, b) | Multiplies two numbers. | | product(...values) | Multiplies any count of numbers. 1 for no arguments. | | productAll(values) | Array form of product. | | power(base, exponent) | Raises to a non-negative integer exponent. | | percentOf(value, percent) | Applies a percentage to a value. | | multiplyPrecise(a, b, decimals = 2) | Multiplies and rounds to decimals places. | | NotANumberError | Thrown when an argument is not a finite number. |

power throws a RangeError for negative or fractional exponents.

License

MIT