ZiCalculator – Scientific Calculator
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Scientific Calculator

Perform advanced mathematical calculations online for free. Use functions like sin, cos, tan, ln, log, factorial, powers, π, e, and more. Ideal for students, engineers, scientists, and professionals.

How to Use the Scientific Calculator

Click the buttons to enter numbers and functions. Press "=" to calculate results instantly.

Functions Explained

  • sin(x), cos(x), tan(x): Trigonometric functions for angles (in radians).
  • ln(x): Natural logarithm of x.
  • log(x): Base 10 logarithm of x.
  • √x: Square root.
  • x²: Square of a number.
  • Factorial (!): Product of all positive integers up to x.
  • π and e: Mathematical constants.

Practical Examples

  • sin(π/2) = 1
  • log(100) = 2
  • √16 = 4
  • 5! = 120
  • 2² = 4

Frequently Asked Questions

Is this calculator free? Yes, completely free to use.

Does it store my data? No, calculations are done locally in your browser.

Can I use it on mobile? Yes, fully responsive for all devices.

Do I need to install anything? No installation required.

Can I calculate factorials and logarithms? Yes, all scientific functions are supported.

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