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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

Guess teacher height Tuesday November 20, 2018
Hey guys 4 students guess their teacher's height: 196, 163, 178 and 185. If their error be 1, 6, 16 and 17, what is the teacher's height?

how to solve this by factoring Tuesday November 20, 2018
Here is problem:Attachment 10515 ( Here is what I did with it: Attachment 10516

How to deal with fractional exponents. Tuesday November 20, 2018
Hello all I wanted to ask about how to deal with fractional exponents. Would I be correct in saying that the following statement are all equal:- A^(M/N) = Nsqrt(A^M) = (Nsqrt(A)^M In the left I

Learning Math Problems - Fractions Tuesday November 20, 2018
I have been stumped on this problem for 2 days, I figured how they have A) 48 Hrs as answer 1. stuck on how 240 miles comes into a answer? *Here is the question. Bonita Traveled 108 Miles in 2 1/4

Heun's method Tuesday November 20, 2018
Attachment 10514 ( I am trying to approximate y(0.1) using Heun's method. I have converted my second order ODE into a first order