The most powerful free partial derivative calculator — 2nd order, Hessian, gradient, 3D plots, and genuine step-by-step proofs.
💡 3D plot shows the surface when the function has x and y variables.
Get partial derivatives calculated in milliseconds with genuine symbolic computation.
Visualize multivariable functions and their partial derivatives in interactive 3D.
Automatically computes the full gradient vector and Hessian matrix for your function.
Real proof-tree steps showing every rule applied, not templated text.
Works perfectly on all devices — smartphones, tablets, laptops, and desktops.
No sign-up required. Completely free forever with unlimited calculations.
Calculate derivatives of any function using all differentiation rules.
Differentiate products of functions using the product rule with steps.
Calculate derivatives of quotients with complete solutions.
Apply the chain rule to composite functions with detailed steps.
Solve implicit differentiation problems quickly.
Find second, third, and nth order derivatives.
Calculate directional derivatives in any direction.
Find the gradient vector of multivariable functions.