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Both calculators run independently — change the inputs on either side to compare results.

Chain Rule Calculator

Compute the derivative of a composite function f(g(x)) where f(u) = c·u^n and g(x) = m·x + b, evaluated at a given x. Applies the chain rule: (d/dx)[f(g(x))] = f'(g(x)) · g'(x).

Outer Function Coefficient

Outer Function Power

Inner Function Coefficient

Inner Function Constant

Evaluate at x =

Fill in the required fields to see your result.

Calculus

Tangent Line Calculator

Finds the equation of the tangent line to f(x) = c·xⁿ + k at a specified x-value. Use it to linearize a curve at any point for calculus or physics problems.

Function Coefficient

Power of x

Constant Term

x-coordinate of point

Fill in the required fields to see your result.

Key differences

	Chain Rule Calculator	Tangent Line Calculator
Category	Calculus	Calculus
Inputs required	5	4
Result	Chain Rule Derivative	y-intercept of Tangent Line
What it does	Compute the derivative of a composite function f(g(x)) where f(u) = c·u^n and g(x) = m·x + b, evaluated at a given x. Applies the chain rule: (d/dx)[f(g(x))] = f'(g(x)) · g'(x).	Finds the equation of the tangent line to f(x) = c·xⁿ + k at a specified x-value. Use it to linearize a curve at any point for calculus or physics problems.