COnline Calculator World

Scientific Calculator: Trig, Logs, Roots, Powers—Fast.

Method: Evaluate the expression using standard operator precedence (parentheses first, then powers/roots, then multiplication/division, then addition/subtraction). Functions (sin, cos, tan, log, ln, sqrt, etc.) are applied to the provided arguments.

Calculator
Scientific expression evaluator
Supported: + - * / ^ sqrt() sin() cos() tan() log() ln() abs() pi e ( )
Result

When you need more than basic arithmetic, a scientific calculator becomes essential. The Scientific Calculator provides common advanced operations in a clean, distraction-free interface.

This tool is designed to help you compute expressions quickly with standard mathematical order of operations (BODMAS). It supports functions like square roots, powers, logarithms, and trigonometric calculations.

A key benefit is readability and control: you can enter values with parentheses to enforce the calculation order you intend. That reduces mistakes compared to step-by-step manual computations.

We also include a clear “formula/method” explanation covering the expression evaluation rules. Worked examples show how different operator precedence and function inputs are handled.

Whether you’re solving physics problems, checking a statistics calculation, or doing everyday computations that involve exponents and logs, this calculator gives fast results with consistent behavior.

Worked examples

See the method in action

Example inputs and outputs using the calculator logic.

Input
Expression: (2+3)^2
Output
Result = 25
Input
Expression: sqrt(49) + log10(100)
Output
Result = 7 + 2 = 9
Related calculators

More tools you may need

Quick links to similar calculators.

FAQs

Common questions

Answers to help you use the calculator correctly.

Are angles in degrees or radians?

For simplicity, angles are handled in degrees by default in this calculator. If your workflow uses radians, you can convert using π/180.

Why does my expression give a surprising result?

Most differences come from operator precedence. Use parentheses to make your intended order explicit.

What functions are supported?

Common scientific operations such as sqrt, power, log/ln, and trig functions are supported. The exact set depends on the implementation.

Does it support scientific notation?

Yes. Inputs like 1e-3 are treated as 0.001.

Can it compute complex numbers?

This page focuses on real-valued scientific calculations. For complex roots, use the Quadratic Equation Solver.