Pros of mathjs

• Comprehensive library with a wide range of mathematical functions and operations
• Supports complex numbers, matrices, and units
• Extensible with custom functions and data types

Cons of mathjs

• Larger file size and potentially slower performance for basic arithmetic operations
• Steeper learning curve due to its extensive feature set
• May be overkill for projects that only require basic arbitrary-precision arithmetic

Code Comparison

mathjs:

import { create, all } from 'mathjs'

const math = create(all)
const result = math.evaluate('1.1 + 2.2')
console.log(result.toString()) // Outputs: 3.3

big.js:

import Big from 'big.js'

const result = new Big('1.1').plus('2.2')
console.log(result.toString()) // Outputs: 3.3

Both libraries provide accurate decimal arithmetic, but mathjs offers a more extensive set of features at the cost of increased complexity and file size. big.js is more focused on arbitrary-precision decimal arithmetic and may be preferable for simpler use cases or when performance is a primary concern.

Pros of decimal.js

• More precise and supports larger numbers (up to 1e+9999999)
• Offers additional mathematical functions (e.g., trigonometric, exponential)
• Configurable rounding modes and precision settings

Cons of decimal.js

• Larger file size and potentially slower performance
• More complex API, which may be overkill for simpler use cases
• Higher learning curve due to additional features and options

Code Comparison

decimal.js:

import Decimal from 'decimal.js';

const result = new Decimal(0.1).plus(0.2).equals(0.3); // true
const pi = Decimal.acos(-1);

big.js:

import Big from 'big.js';

const result = new Big(0.1).plus(0.2).eq(0.3); // true
// No built-in trigonometric functions

Both libraries provide accurate decimal arithmetic, but decimal.js offers more advanced mathematical operations and greater precision at the cost of increased complexity and file size. big.js is simpler and more lightweight, making it suitable for basic decimal calculations, while decimal.js is better suited for complex mathematical operations and scenarios requiring extreme precision.

Pros of bignumber.js

• More comprehensive API with additional mathematical operations
• Configurable decimal places and rounding modes
• Better performance for certain operations

Cons of bignumber.js

• Larger file size compared to big.js
• Slightly more complex API, which may be overkill for simpler use cases

Code Comparison

bignumber.js:

const x = new BigNumber(0.1);
const y = new BigNumber(0.2);
const sum = x.plus(y);
console.log(sum.toString()); // "0.3"

big.js:

const x = new Big(0.1);
const y = new Big(0.2);
const sum = x.plus(y);
console.log(sum.toString()); // "0.3"

Both libraries provide similar basic functionality for handling arbitrary-precision decimal arithmetic. bignumber.js offers more advanced features and configuration options, making it suitable for complex mathematical operations. big.js, on the other hand, is more lightweight and straightforward, ideal for simpler use cases where basic arithmetic operations are sufficient.

The choice between the two depends on the specific requirements of your project, such as the complexity of calculations, performance needs, and file size constraints.

Pros of BigInteger.js

• Specialized for integer operations, potentially offering better performance for large integer calculations
• Supports a wider range of integer-specific operations, such as bitwise operations and modular exponentiation
• Smaller file size, which may lead to faster load times in web applications

Cons of BigInteger.js

• Limited to integer operations, lacking support for decimal numbers and floating-point arithmetic
• Less actively maintained, with fewer recent updates compared to big.js
• Smaller community and fewer resources available for support and troubleshooting

Code Comparison

big.js:

const x = new Big(123.4567);
const y = new Big('9876.5432');
const result = x.plus(y).toFixed(2);

BigInteger.js:

const x = BigInteger(123);
const y = BigInteger('9876');
const result = x.add(y).toString();

The code examples highlight the key difference in focus between the two libraries. big.js handles decimal numbers and provides methods for precise decimal arithmetic, while BigInteger.js is designed specifically for integer operations.

Both libraries offer similar ease of use, but big.js provides more flexibility for general-purpose calculations involving both integers and decimals. BigInteger.js, on the other hand, excels in scenarios requiring large integer computations and bitwise operations.