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Covering pre-algebra through algebra 3 with a variety of introductory and advanced lessons.


Learn basic geometric shapes, properties, formulas, and problem solving techniques.


Look here for more advanced topics starting with pre-cal and extending through multivariable calculus.


Sines and cosine, angles and formulae.


Here's where we cover basics, like the mean & and median, along with links to more advanced statistics topics.


Solve your own math problems with our selection of free online calculator tools.

Recently Asked Math Questions

Simple query - Integration Tuesday December 11, 2018
Hi, can you review an equation I am having difficulty with: R(T) = exp(-∫0T 3.5x10-4 + 4.2x10-7t) I have the answer from notes, however cannot work it through logically myself to get the

Doubt parameterization Tuesday December 11, 2018
Good afternoon guys, I'm studying some math and I came across a problem. It is necessary, from a graph obtained through experiments, to carry out the parameterization of this one. Honestly, I did not

Problem 3 Tuesday December 11, 2018
Attachment 10642 ( I also need help with one of these. The rest of the problems I can handle on my own. Thank

Problem 2 Tuesday December 11, 2018
Attachment 10641 ( Does anyone know how to do this? It'd be a great help,

Problem 1 Tuesday December 11, 2018
I really do not get this problem at all. Could someone please explain it to me? A set of scores with a normal distribution has a mean of 27 and a standard deviation of 4.8. Which score could be