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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.


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Recently Asked Math Questions

how to map a group of numbers into odds/probability? Monday December 17, 2018
hello guys, im now writing a spreadsheet for horse racing, and I have a group of numbers which I call it the "speed energy value" for each horse. the higher the speed energy value, the higher chance

3D Heat Equation Using Cylindrical Coordinate System Monday December 17, 2018
I am looking at constructing a set of equations to describe the temperature of a 3D cylinder. I have found this paper: which very closely

If n is an integer between 1 and 96 (both included), what is the probability that n Monday December 17, 2018
If n is an integer between 1 and 96 (both included), what is the probability that n*(n+1)*(n+2) is divisible by 8. a. 50% b. 37.5% c. 62.5% d. 12.5% e. none of these Confused in solving this one

Tiling a (n x 1) Checkerboard Monday December 17, 2018
I am trying to come up with an identity using a combinatorial proof by considering a (n x 1) checkerboard, and examining what happens if you focus on the split between the first and second tiles

Resolutionmethod and counterexample Sunday December 16, 2018
Hi! Am new to this forum, so Im not sure if this is the right place for these kind of question, but if someone is able to help it would mean very much to me. I have a very important exam in a few