How does the Inverse Function Calculator work?

Replace f(x) with y Then: Swap x and y Then: Solve for y — this is f⁻¹(x) Then: Verify: f(f⁻¹(x)) = x and f⁻¹(f(x)) = x.

Can you give an example of how to use the Inverse Function Calculator?

Example: Input f(x) = 2x + 3 gives a result of f⁻¹(x) = (x−3)/2.

Is the Inverse Function Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Inverse Function Calculator?

Our Inverse Function Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Inverse Function Calculator

Function Type

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