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bignumber.js

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bignumber.js

A library for arbitrary-precision decimal and non-decimal arithmetic

  • 2.0.3
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
7.6M
decreased by-42.55%
Maintainers
1
Weekly downloads
 
Created

What is bignumber.js?

The bignumber.js package is a JavaScript library for arbitrary-precision decimal and non-decimal arithmetic. It allows for high-precision calculations that are necessary when dealing with very large or very small numbers that cannot be accurately represented with JavaScript's native Number type.

What are bignumber.js's main functionalities?

Arithmetic Operations

Perform precise arithmetic operations such as addition, subtraction, multiplication, and division.

"use strict"; const BigNumber = require('bignumber.js'); let x = new BigNumber(123.4567); let y = new BigNumber('123456.7e-3'); let z = x.plus(y); console.log(z.toString()); // '246.9134'

Chaining Methods

Allows for method chaining to perform multiple operations sequentially on a BigNumber instance.

"use strict"; const BigNumber = require('bignumber.js'); let result = new BigNumber('111.1111111').plus('0.0000001').times('3').sqrt().toPrecision(10); console.log(result); // '1.732050808'

Comparison

Compare two BigNumber instances to determine the relational state.

"use strict"; const BigNumber = require('bignumber.js'); let a = new BigNumber('2'); let b = new BigNumber('3'); console.log(a.isLessThan(b)); // true

Rounding

Round a BigNumber to a specified number of decimal places.

"use strict"; const BigNumber = require('bignumber.js'); let number = new BigNumber('123.4567'); let rounded = number.toFixed(2); console.log(rounded); // '123.46'

Conversion

Convert a BigNumber to a different base or to a string representation.

"use strict"; const BigNumber = require('bignumber.js'); let number = new BigNumber('123456.789e-3'); let inBase10 = number.toString(10); console.log(inBase10); // '123.456789'

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Package last updated on 18 Feb 2015

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