All Calculus Calculators
Every free CalculusCalc calculator in one place: derivatives, integrals, limits, series, multivariable calculus, physics applications, graphing and scientific calculators, all with steps.
- Free
- No sign-up
- Works on phones
- Shows the working
By Yasir Hafeez · Updated
Pick a calculator below. Every tool runs instantly in your browser, shows its working, and is free with no sign-up. Each one has its own page with a how-to guide, the formula it uses, a worked example and answers to common questions.
Basic & Scientific
Differential
Critical Points CalculatorFree critical points calculator. Solves f'(x) = 0, labels each point a local max, min or neither, and…Derivative CalculatorFree derivative calculator with steps. Type any function and get f'(x) simplified, with the power, product, quotient and…Inflection Point CalculatorFree inflection point calculator. Enter f(x) and an interval to get f''(x), every inflection point, and where the…Linear Approximation CalculatorFree linear approximation calculator. Enter f(x), a center a and a nearby x to get the linearization L(x),…Mean Value Theorem CalculatorFree mean value theorem calculator. Enter f(x) and an interval [a, b] to get the secant slope and…Newton's Method CalculatorFree Newton's method calculator. Enter f(x), a starting guess and the number of steps to see every iterate…Second Derivative CalculatorFree second derivative calculator. Enter f(x) to get exact f'(x) and f''(x), simplified, plus both values at any…Tangent Line CalculatorFree tangent line calculator. Enter f(x) and a point to get the slope f'(a) and the equations of…
Integral
Arc Length CalculatorFree arc length calculator. Enter y = f(x) and an interval to get f'(x), the arc length integral…Area Between Curves CalculatorFree area between curves calculator. Enter f(x), g(x) and an interval to get the enclosed area, with crossing…Average Value CalculatorFree average value of a function calculator. Enter f(x) and [a, b] to get the integral, the average…Definite Integral CalculatorFree definite integral calculator. Enter f(x) and limits (inf allowed) to get the exact or decimal value and…Disk Method CalculatorFree disk method calculator. Enter f(x) and limits to get the volume of the solid formed by rotating…Integral CalculatorFree integral calculator with steps. Enter a function and get its antiderivative + C, the rule used (substitution,…Riemann Sum CalculatorFree Riemann sum calculator. Pick left, right, midpoint, trapezoid or Simpson's rule, set n, and see the approximation…Shell Method CalculatorFree shell method calculator. Enter f(x) and limits to get the volume of the solid made by rotating…
Series & Limits
L'Hôpital's Rule CalculatorFree L'Hôpital's rule calculator. Enter a numerator and denominator and it differentiates both, step by step, until a…Limit CalculatorFree limit calculator with steps. Enter f(x) and the point x approaches, including infinity or one side, and…One-Sided Limit CalculatorFree one-sided limit calculator. Find left-hand and right-hand limits of f(x) at a point, or as x goes…Series Convergence CalculatorFree series convergence calculator. Enter aₙ to get partial sums, a numerical ratio test and the nth-term test,…Taylor Series CalculatorFree Taylor series calculator. Get the degree-n Taylor or Maclaurin polynomial of f(x) at any center, then test…
Multivariable
Double Integral CalculatorFree double integral calculator. Enter f(x, y) and the limits of a rectangle to get the value of…Gradient CalculatorFree gradient calculator and directional derivative calculator. Enter f(x, y), a point and a direction to get ∇f,…Partial Derivative CalculatorFree partial derivative calculator. Enter f(x, y) and a point to get fx and fy with their values,…
Physics & Applied
Euler's Method CalculatorFree Euler's method calculator for y' = F(x, y). Enter a step size and endpoint to get the…Exponential Growth CalculatorFree exponential growth calculator for P(t) = P₀e^(kt). Get the value at any time plus the doubling time,…Velocity and Acceleration CalculatorFree velocity and acceleration calculator: enter a position function s(t) and a time to get v(t), a(t), their…Work Calculator (Variable Force)Free work calculator for a variable force. Enter F(x) and the limits to get W = ∫F dx…
Graphing & Study Tools
Calculus Formula SheetAll the core calculus formulas on one searchable sheet: derivatives, integrals, limits, series, theorems and applications, each with…Calculus Practice ProblemsFree calculus practice problems with answers: an interactive quiz on derivatives, integrals, limits and series, plus 8 fully…Graphing Calculator for CalculusFree graphing calculator online for calculus. Plot any f(x) with its derivative, slide a tangent line, and shade…