AllEasyToolsMathematics
Scientific calculator
Scientific calculator: calculate from your inputs and inspect the formula. No account required. Processing stays in your browser.
+, −, *, /, ^, %, !; sin, cos, tan, asin, acos, atan, sqrt, abs, ln, log, exp; pi, e
Use explicit multiplication: 2*pi. ^ means power; % means remainder. Trigonometry uses radians. Does not execute code.
How to use this calculator
- Identify the quantities and convert them to the units shown.
- Apply the formula first, then compare with the substitution and result.
- Check the assumptions and whether the order of magnitude makes sense.
Levels are approximate topic groupings, not a complete curriculum for every country. Numerical results are rounded and may lose precision for extreme or nearly singular inputs.
A practical example
Use these sample inputs to check the calculation before entering your own values.
- Expression (angles in radians)
- sqrt(3^2 + 4^2)
Result for this example
- Result
- 5