Big Number Calculator

Big Number Calculator

Big Number Calculator

This tool performs arithmetic operations on arbitrarily large integers.

What Are “Big Numbers”?

In most programming languages, including standard JavaScript, numbers have a limit. The largest safe integer is `9,007,199,254,740,991`. Any calculation that goes above this number may lose precision and produce incorrect results.

This “Big Number Calculator” solves that problem by using `BigInt`, a special type in modern JavaScript. `BigInt` allows for calculations on integers of virtually unlimited size, perfect for cryptography, scientific calculations, or just very large numbers.

**Note:** This calculator only works with **integers** (whole numbers). It does not support decimals.

Calculator

How to Use This Calculator

This tool is designed for performing basic arithmetic on very large integers.

  • 1. Enter Numbers: Type or paste your first large integer into the “Number 1” box. Type or paste your second large integer into the “Number 2” box.
  • 2. Decimals Not Allowed: You must use whole numbers only (e.g., `123456…`). Inputs like `1.5` or `1,234` will cause an error.
  • 3. Choose Operation: Click one of the five operation buttons:
    • `+` (Addition)
    • `-` (Subtraction)
    • `×` (Multiplication)
    • `÷` (Division)
    • `^` (Power / Exponentiation)
  • 4. View Result: The result of the operation will appear in the green “Result” box at the bottom. You can copy the result from this box.

Important Notes on Operations:

  • Division (÷): This calculator performs **integer division**. This means it discards any remainder. For example, `7 / 2 = 3` (not 3.5).
  • Power (^): The second number (exponent) must be a positive integer. Negative exponents are not supported.
  • Error Handling: If you divide by zero, use a non-integer, or enter invalid text, an error message will appear in a red box.