Scientific Calculator

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A free online scientific calculator with trigonometry, logarithms, powers, roots, factorials and brackets.

How the calculation works

Type or tap an expression, then press = or Enter. Choose DEG or RAD for trigonometric functions. The result previews as you type. Use Ans to reuse the last result.

Formula used

Order of operations: brackets, powers, multiplication and division, then addition and subtraction

Example

2 + 3 × 4 = 14, sin(30) = 0.5 in degree mode, and 10! = 3,628,800.

Frequently asked questions

Does it support brackets?

Yes. Use ( and ) and the calculator follows the correct order of operations.

What is the difference between DEG and RAD?

Degrees measure a full circle as 360. Radians measure it as 2π.

Results are estimates for general information only and are not professional financial, medical or legal advice.