CalcBrew

📐 Scientific Calculator

Free scientific calculator in your browser. Calculate trigonometric functions, logarithms, powers and roots. Supports degrees and radians. Calculation history shows the last 5 results.

By Miikka · CalcBrew · Updated

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The scientific calculator brings all the key math functions to your browser: trigonometry, logarithms, powers, roots and the constants π and e. A calculation history keeps your previous work close at hand.

How the calculator works and what it’s for▾

What you can calculate

Beyond basic arithmetic, the calculator handles trigonometric functions such as sine, cosine and tangent, logarithms, exponents, raising to a power and square and other roots.

You can choose whether angles are measured in degrees or radians, which matters for getting trigonometric results right.

Degrees and radians

The same trigonometric expression gives a different result depending on whether the angle unit is degrees or radians. Always check the selected mode before calculating to avoid the most common source of error.

Calculation history

The history saves the calculations you make, so you can revisit earlier results or check how you arrived at a number. This is handy for longer chains of work and homework.

Who it's for

The scientific calculator serves students, engineers and anyone who needs more than a basic calculator. It fits math and physics assignments as well as more detailed everyday calculations.

🔄 Reviewed June 2026

Frequently asked questions

Cite this calculator
APACalcBrew. (2026). Scientific Calculator. https://calcbrew.com/scientific-calculator
MLA“Scientific Calculator.” CalcBrew, 2026, calcbrew.com/scientific-calculator.

Link to https://calcbrew.com/scientific-calculator. Results are estimates; cite the underlying formula or data source for academic work.

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