Professional Big Number Calculator

Perform calculations with very large numbers using arbitrary precision arithmetic. Supports 100+ decimal places, scientific notation, and advanced operations.

Calculator

User Guide

How to Use

  1. Select the operation you want to perform
  2. Enter your numbers (supports very large numbers and scientific notation)
  3. Click 'Calculate' to see results with full precision
  4. View step-by-step solutions, number properties, and charts
  5. Use 'Load Example Values' to see sample calculations

Features

  • Arbitrary precision: Up to 100 decimal places
  • Very large numbers: Handle numbers beyond standard float limits
  • Scientific notation support: Enter numbers as 1.23e20
  • Basic operations: Addition, Subtraction, Multiplication, Division
  • Advanced functions: Power, Square Root, Factorial, Logarithms
  • Number theory: GCD, LCM calculations
  • Number properties: Integer check, sign, digit count, magnitude
  • Calculation history with charts

Supported Operations

Basic Operations

  • + 添加
  • - Subtraction
  • × Multiplication
  • ÷ Division
  • ^ Power (integer exponent only)
  • % Modulo

Number Theory

  • GCD Greatest Common Divisor
  • LCM Least Common Multiple

Advanced Functions

  • √ Square Root
  • x² Square
  • x³ Cube
  • 1/x Inverse
  • n! Factorial (n ≤ 1000)
  • log, ln Logarithms

Important Notes

  • Numbers are stored with arbitrary precision (up to 100 decimal places)
  • Power operation requires integer exponents (for very large numbers)
  • Factorial is limited to n ≤ 1000 for performance
  • Division by zero is not allowed
  • Square root requires non-negative numbers
  • Logarithm requires positive numbers
  • GCD and LCM require integer inputs
  • Scientific notation: Use 'e' or 'E' (e.g., 1.23e20)

Number Formatting

The calculator automatically formats results:

  • Large numbers: Comma separators (1,234,567,890)
  • Very large/small: Scientific notation (1.23e20)
  • Decimals: Up to 20 decimal places displayed
  • Full precision: Available in export

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