Method
Expressions follow the standard order of operations: parentheses, powers and roots, multiplication and division, then addition and subtraction.
Example
2 + 3 × 4 equals 14 because multiplication is completed first.
Limits
Check inputs and units. Important academic, financial or professional decisions should be confirmed against an appropriate source.
Common questions
Is this a free online scientific calculator?
Yes. It evaluates arithmetic, parentheses, powers, roots and common trigonometric functions directly in your browser.
What does the scientific calculator calculate?
Evaluate arithmetic, powers, roots and common trigonometric functions.
Does this scientific calculator show its method?
Yes. The result includes the central formula or working needed to check the answer.
Are my values uploaded?
No. The calculation runs in this browser and does not require an account.