Decimal Calculator

Precise decimal arithmetic without floating-point errors

Calculate

This calculator uses precise decimal arithmetic to avoid floating-point errors. Results are exact for all decimal operations.

Decimal ↔ Fraction

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Why Use This Calculator?

The Floating-Point Problem

Standard calculators use binary floating-point arithmetic, which can cause errors:

0.1 + 0.2 = 0.30000000000000004 ❌
Should be: 0.3 ✓

Our Solution

This calculator uses precise decimal arithmetic, ensuring accurate results for all operations. Perfect for:

  • Financial calculations
  • Scientific measurements
  • Educational purposes
  • Verifying calculations

Common Use Cases

  • Money calculations (currency, taxes)
  • Measurements and unit conversions
  • Percentage calculations
  • Grade and score calculations