Antiderivative Calculator

Free online antiderivative calculator. Find the indefinite integral of any math function and view step-by-step solutions to help you master calculus.

Enter Dimensions

Quick Examples
Integration Variable
dx

Supports polynomials, basic trig (sin, cos), e^x, and 1/x.

Output Settings

Estimated Results

Enter an expression on the left to calculate its antiderivative.

Master Calculus with Our Antiderivative Calculator

Whether you are working through a difficult homework assignment or studying for a calculus exam, our tool makes finding indefinite integrals simple and intuitive. To find an antiderivative, just enter your mathematical expression. The engine will not only provide the final mathematical result but also act as an antiderivative calculator step by step, showing you exactly how the rules of integration apply to your specific problem.

The Power Rule for Antiderivatives

∫ x^n dx = [x^(n+1)] / (n+1) + C, where n ≠ -1

This is one of the most fundamental rules of integration. To find the antiderivative of a polynomial term, you add 1 to the exponent and divide the term by that new exponent. The $+ C$ represents the constant of integration, which is necessary because the derivative of any constant is zero, meaning there are infinitely many valid antiderivatives for a given function.

💡 Educational Scope & Limitations

This calculator is designed as an educational tool to help you master fundamental calculus concepts. It reliably supports common patterns like polynomials, basic trigonometric functions, and exponentials. If you input highly advanced or abstract expressions outside this scope, the tool will alert you. For complex integration techniques like trigonometric substitution or partial fractions, we recommend checking your work with a teacher or an advanced computer algebra system.

Core Features

Step-by-Step Explanations

Don't just get the final answer. See exactly how the integral is solved with detailed rule breakdowns for each individual term in your expression.

Common Function Support

Easily find the integral for polynomials, basic trigonometric functions, natural logarithms, and exponential equations.

Interactive Examples

Not sure how to format your math syntax? Click on our quick-start preset examples to see how the input and output system works in real-time.

Instant Processing

Our lightweight math engine processes your equations immediately on the page without requiring reloads, loading screens, or paid subscriptions.

How to Use the Calculator

1

Select Your Variable

Choose the correct variable of integration (dx, dy, or dt) that matches the mathematical expression you want to solve.

2

Enter the Expression

Type your function into the input field. You can use standard notation, such as 3x^2, sin(x), or e^x.

3

Review the Step-by-Step Solution

The calculator will instantly display the final indefinite integral alongside a detailed breakdown of which integration rules were used for each term.

Choosing the Right Math Tool

Feature Option 1 Option 2
Mathematical Output Our Antiderivative Calculator Standard Graphing Calculator
Indefinite Integrals (+ C) Fully Supported Not Supported
Methodology Step-by-step rule breakdowns Numerical answers only
Definite Integrals (Area) Not currently supported Supported via numerical integration

Frequently Asked Questions

How to calculate antiderivative?
To calculate an antiderivative, you reverse the process of differentiation. You must identify the integration rule that applies to your specific function (such as the Power Rule, Exponential Rule, or Trigonometric Rules), apply the inverse mathematical operation, and always append the constant of integration (+ C) when dealing with indefinite integrals.
How to find antiderivative on calculator TI 84?
The standard TI-84 Plus does not have a built-in computer algebra system (CAS) to find symbolic, indefinite antiderivatives (equations with + C). It can only calculate numerical definite integrals using the fnInt() function found in the MATH menu. For symbolic step-by-step solutions, you need to use an online algebra solver.
What is the difference between an antiderivative and an integral?
An antiderivative is a function whose derivative is the original function. An indefinite integral represents the entire family of antiderivatives for a function (which is why we add + C). A definite integral evaluates the accumulation of a quantity, such as the exact area under a curve between two specific points, resulting in a single numerical value.
Can this calculator show antiderivative steps?
Yes. When you input a supported expression, the tool acts as a step-by-step calculator. It breaks down the equation term by term and explicitly states which mathematical rule (e.g., Constant Multiple Rule, Power Rule) was applied to solve each part.
How do you check an antiderivative?
The most reliable way to check if an antiderivative is correct is to take the derivative of your final answer. If you differentiate your result and arrive exactly back at the original starting function, your integration is correct.

Guides & Resources for this Tool

guide

How to Calculate Antiderivatives: A Step-by-Step Guide

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Using an Online Anti Derivative Solver Step by Step

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How to Find an Antiderivative on a TI-84 Calculator

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Antiderivative vs Integral: What is the Difference?

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What Is An Antiderivative? Definition and Examples

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