Online derivative calculator — find f′(x) for polynomials and common functions.
Derivative Calculator Online
Derivative Calculator Online. Differentiate f(x) online. Fast, accurate, private.
Central difference: (f(x+h)−f(x−h))/(2h).
f'(x)
4.00000000
Steps
- Open the calculator
- Enter your values
- Read the result instantly
Related
FAQ
Are results official?
No — quick estimates only. Confirm with your bank or provider.
Is data saved?
No. Calculations run in your browser.
Where is the full tool?
Each satellite links back to the main hub calculator.