Derivative Calculator
Numerically calculate first and second derivatives
Examples: sin(x), exp(-x^2), ln(x), sqrt(x), pi
Numerical estimate: 2.00000000002
Error estimate
9.16688946972e-12
Step h
0.0000030277272262
Method: Adaptive central difference with Richardson extrapolation
This is a finite-sample numerical approximation, not symbolic calculus or a proof that a limit exists. Check discontinuities and the reported error estimate.