# Calculus III Calculators

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## Partial Derivative Calculator

This online calculator will calculate the partial derivative of the function, with steps shown. You can specify any order of integration.

## Multiple (Double, Triple) Integral Calculator

The calculator will calculate the multiple integral (double, triple).

## Divergence Calculator

The calculator will find the divergence of the given vector field, with steps shown.

## Gradient of a Function Calculator

The calculator will find the gradient of the given function (at the given point if needed), with steps shown.

## Directional Derivative Calculator

The calculator will find the directional derivative (with steps shown) of the given function at the point in the direction of the given vector.

## Curvature Calculator

The calculator will find the curvature of the given explicit, parametric or vector function at a specific point, with steps shown.

## Unit Tangent Vector Calculator

The calculator will find the unit tangent vector of a vector-valued function at the given point, with steps shown.

## Unit Normal Vector Calculator

The calculator will find the principal unit normal vector of the vector-valued function at the given point, with steps shown.

## 3D Function Grapher

A free online 3D graphing calculator for plotting linear, quadratic, cubic, quartic, polynomial, trigonometric, hyperbolic, exponential, and logarithmic curves. Plots can be styled and customized according to the needs.

To plot a 2d graph, use the 2d grapher.