# Free Calculus Help

Browse below for our collection of online calculus resources, some from FreeMathHelp.com, and others as links to other great math sites. There are also several free online calculators that you may find VERY useful in solving those tricky calculus problems, or for checking your answers.

## Calculus Lessons

- Chain Rule
- Derivative of an Inverse Function
- Derivative of a Polynomial
- Derivatives of Log and Exponentials
- Derivatives of Trig Functions
- Differentiation
- Differential Equations
- Derivatives of Implicit Functions
- Derivatives of Products and Quotients
- Fourier Series
- Infinite Series Expansion
- Integration
- Integration By Parts
- Limits
- Newton’s Method
- Related Rates
- Simpson’s Rule
- U-Substitution

## Calculus Tools:

- Anti-derivative Calculator - Find the anti-derivative of a given expression.
- Derivative Calculator - Take the derivative of a polynomial, trig function, or even more complicated expressions.
- Integral Calculator - Compute the definite or indefinite integral of an expression.
- Limit Calculator - Find the limit as a variable approaches a specified value.
- Summation Calculator - Sum an expression over a range of values.

## Recent Calculus Questions

proof of area of circle *Tuesday January 22, 2019*

I have a question about the derivation of the formula for the area of a circle to be pi r^2 .
When substituting for x I have used both r sint and r cost and both seem to work. However when using what

Simplifying Difference Quotients *Sunday January 20, 2019*

Hey guys, taking Calc 1 and having some issues solving something that's likely very easy. As you can see in the attachments, I'm working on difference quotients. It wants me to simplify and

limit of integral *Sunday January 20, 2019*

I need to find the limit from the picture.I have no idea how to start.Some

Finding values of an expression using Calculus and Algebra *Sunday January 20, 2019*

Hello,
I have been given this assignment to do question 9 and still haven't been able to complete it after hours of research and attempts to tackle this. Any form of help would be grateful, take

planetary gear outputs *Sunday January 20, 2019*

let me know if this is posted in the wrong place
what is the math to find out the output of more complex planetary gears? say something like 2:1-2:1-2:5 with the first 2 being the input and the 5 the