# Calculators - Calculus II

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## Integral Calculator

This online calculator will try to find the indefinite integral (antiderivative) of the given function, with steps shown. Different techniques are used: integration by substitution, integration by parts, integration by partial fractions, trigonometric substitutions, etc.

## Definite and Improper Integral Calculator

The calculator will try to evaluate the definite (i.e. with bounds) integral, including improper, with steps shown.

## Area between Curves Calculator

The calculator will try to find the area between two curves or just under one curve.

## Riemann Sum Calculator for a Function

The calculator will approximate the definite integral using the Riemann sum and the sample points of your choice: left endpoints, right endpoints, midpoints, or trapezoids.

## Riemann Sum Calculator for a Table

For the given table of values, the calculator will approximate the definite integral using the Riemann sum and the sample points of your choice: left endpoints, right endpoints, midpoints, and trapezoids.

## Left Endpoint Approximation Calculator for a Function

An online calculator for approximating the definite integral using the left endpoints (the left Riemann sum), with steps shown.

## Left Endpoint Approximation Calculator for a Table

For the given table of values, the calculator will approximate the integral using the left endpoints (the left Riemann sum), with steps shown.

## Right Endpoint Approximation Calculator for a Function

An online calculator for approximating the definite integral using the right endpoints (the right Riemann sum), with steps shown.

## Right Endpoint Approximation Calculator for a Table

For the given table of values, the calculator will approximate the integral using the right endpoints (the right Riemann sum), with steps shown.

## Midpoint Rule Calculator for a Function

An online calculator for approximating the definite integral using the midpoint (mid-ordinate) rule, with steps shown.

## Midpoint Rule Calculator for a Table

For the given table of values, the calculator will approximate the integral using the midpoint rule, with steps shown.

## Trapezoidal Rule Calculator for a Function

The calculator will approximate the integral using the trapezoidal rule, with steps shown.

## Trapezoidal Rule Calculator for a Table

For the given table of values, the calculator will approximate the integral by means of the trapezoidal rule, with steps shown.

## Simpson's Rule Calculator for a Function

An online calculator for approximating a definite integral using Simpson's (parabolic) 1/3 rule, with steps shown.

## Simpson's Rule Calculator for a Table

For the given table of values, the calculator will find the approximate value of the integral using Simpson's (parabolic) 1/3 rule, with steps shown.

## Simpson's 3/8 Rule Calculator for a Function

An online calculator for approximating a definite integral using Simpson's 3/8 rule, with steps shown.

## Simpson's 3/8 Rule Calculator for a Table

For the given table of values, the calculator will find the approximate value of the integral using Simpson's 3/8 rule, with steps shown.

## Polar/Rectangular Coordinates Calculator

The calculator will convert the polar coordinates to rectangular (Cartesian) and vice versa, with steps shown.

## Polar/Rectangular Equation Calculator

The calculator will convert the polar equation to rectangular (Cartesian) and vice versa, with steps shown.

## Series and Sum Calculator with Steps

This calculator will try to find the infinite sum of arithmetic, geometric, power, and binomial series, as well as the partial sum, with steps shown (if possible). It will also check whether the series converges.

## Radius and Interval of Convergence Calculator

The calculator will try to find the radius and the interval of convergence of the given power series.

## Function Average Value Calculator

The calculator will find the average value of the function on the given interval, with steps shown.

## Curve Arc Length Calculator

The calculator will try to find the arc length of the explicit, polar, or parametric curve on the given interval, with steps shown.

## Area of Surface of Revolution Calculator

The calculator will find the area of the surface of revolution (around the given axis) of the explicit, polar, or parametric curve on the given interval, with steps shown.