🧮 Scientific Calculator

Free Online Scientific Calculator

This scientific calculator provides all essential mathematical functions including trigonometry, logarithms, square roots, and power calculations. Perform complex calculations instantly in your browser without any downloads.

Whether you're a student working on homework or a professional needing quick calculations, this tool supports standard arithmetic, parentheses for order of operations, and scientific constants like pi and Euler's number.

How does the scientific calculator work?

Enter your expression using the on-screen buttons. The calculator evaluates expressions using standard mathematical order of operations. Trigonometric functions use radians.

Is this calculator accurate for complex expressions?

Yes, it handles nested functions, parentheses, and multi-step calculations with full floating-point precision up to 10 decimal places.