Scientific Calculator

Perform complex calculations with our powerful online Scientific Calculator — no login required.

About This Tool

Our Scientific Calculator lets you perform advanced mathematical operations including trigonometric, logarithmic, exponential, and more. Perfect for students, engineers, and professionals who need fast, accurate results without installing software.

Calculator

Status

Frequently Asked Questions

Q: What functions does this calculator support?

A: It supports all standard math functions like sin, cos, tan, log, ln, sqrt, powers, and parentheses.

Q: Can I use this on my phone or tablet?

A: Yes! The calculator is fully mobile-friendly and works across all devices.

Q: Is this really free?

A: Yes! There’s no cost and no registration needed.

Q: How do I calculate an expression?

A: Type the expression using buttons, then click “=” to evaluate it.

Q: Are there any limitations?

A: It uses JavaScript's `eval()` function — so only valid expressions are supported. Complex symbolic algebra is not available.