# Free Homework Help

## Second Derivative Calculator

23 Sep 2015

The second derivative calculator is a tool which helps to find the derivative of the derivative of function f. This online calculator makes the calculations easy and enjoyable. Also the problems can be solved instantly. It is used to calculate the second derivative of a function (f). Differentiation is a method to calculate the rate of change (or the slope at a point on the graph).

## Molarity Equation

19 Sep 2015

Molarity is the term used to describe the concentration of a solution. In other words, it is the number of moles of solute dissolved in 1 litre of solution.

A mole is a unit of measurement for a chemical substance. Molarity emerged from mole, coined by German chemist from Molekul which means molecule.

## Photosynthesis Equation

18 Sep 2015

The name photosynthesis is derived from Greek word which means:

Photo = light and Synthesis = putting together.

Photosynthesis Equation represents a scientific process in which light energy emitted by the sun is utilized by the plants and animals to convert light energy into chemical energy.

This energy is stored in carbohydrate molecules, like sugars which are synthesized from carbon dioxide and water. Photosynthesis maintains atmospheric oxygen levels and supplies all of the organic compounds and most of the energy necessary for life on Earth. Math Help offers you easy insight into various popular scientific and mathematical equations.

## Motivation Monday, Parents Homework Help Tool

09 Sep 2015

A nice advise on how to approach homeworks that you don't understand.

## Circle Formulas and Equations

09 Sep 2015

Have you ever seen a circle? This two-dimensional shape is in a clock, base of a glass, and a coin. A circle is a set of points on a particular plane with same, fixed distance from its center. In mathematics, there are some familiar circle terms, such as radius (radii), diameter, and circumference. You probably will need math help about circle formulas and equations for your homework. Don’t worry, you can learn more and understand about circle formulas and equations in the following passages.

## How to Figure Out Percentages

08 Sep 2015

To know how to figure out percentages, we must first learn about the definition of percentages. This math help will definitely improve your understanding and get you ready to solve your own math problems. You probably have known that percentage uses % symbol, such as 35%, 70%, and 99.9%. Percentage is a way to compare a partial amount of something to its whole amount. In short, you might read % as “out of 100”.

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