Square Calculator
Calculate the result of a number multiplied by itself. This tool handles large numbers and decimals instantly.
n² = n × n
12² = 144 (-5)² = 25 0.5² = 0.25
What is the square of a number?
The square of a number is the result of multiplying the number by itself. It is denoted by the exponent 2 (e.g., n²).
Can the square of a number be negative?
No. In the real number system, the square of any real number (positive, negative, or zero) is always non-negative. For example, (-5)² = 25.
What is a perfect square?
A perfect square is an integer that is the square of another integer. Examples include 1, 4, 9, 16, 25, etc.
How do you calculate a square in scientific notation?
To square a number in scientific notation (a × 10ⁿ), you square the coefficient (a²) and multiply the exponent by 2 (10²ⁿ).
🔗 Related Calculators
📐 Formula
n² = n × n
📝 Example Calculation
12² = 144 (-5)² = 25 0.5² = 0.25
❓ Frequently Asked Questions
What is the square of a number?▼
The square of a number is the result of multiplying the number by itself. It is denoted by the exponent 2 (e.g., n²).
Can the square of a number be negative?▼
No. In the real number system, the square of any real number (positive, negative, or zero) is always non-negative. For example, (-5)² = 25.
What is a perfect square?▼
A perfect square is an integer that is the square of another integer. Examples include 1, 4, 9, 16, 25, etc.
How do you calculate a square in scientific notation?▼
To square a number in scientific notation (a × 10ⁿ), you square the coefficient (a²) and multiply the exponent by 2 (10²ⁿ).