GraphCalc Pro

FREE ONLINE MATH TOOL

Scientific Calculator Online

Calculate trigonometry, logarithms, roots, powers and constants without installing software or creating an account.

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What you can do

  • sin, cos, tan and inverse trig functions
  • sqrt, log, ln, abs and exponentials
  • Degree and radian modes
  • Memory controls and calculation history

How to use it

Open the main calculator, choose the relevant calculator tab, enter your values or expression, and run the calculation. No account is required.

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Frequently Asked Questions

Is the scientific calculator free?

Yes. It can be used directly in the browser without an account.

Does it support degrees and radians?

Yes. Use the RAD/DEG control to switch angle modes.

Can it calculate logarithms and roots?

Yes. Common logarithms, natural logs and square roots are supported.