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Welcome to Free Math Help

What would you like to learn?


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

Speed up equation Saturday February 16, 2019
Hi guys, I really don't know if it's really simple or not but I find it really hard and maybe because I don't understand what's speed up. I've a question which is asking about what's the speed up

Finding the Equation of this Sequence Saturday February 16, 2019
I have what appears to be an infinite sequence: 1, 2, 7, 8, 12, 13, 16, 17, 19, 20, 21, 22, 22, 23, 22, 23, 21, 22, 19, 20, 16, 17, 12, 13, 7, 8, 1, 2, -6, -5, -14, -13... However, it seems to

Solve 4-bar linkage problem for a robot Saturday February 16, 2019
Hi all - I am building a robot and I need to solve the 4-bar linkage equations to determine the robot arm's position in space. Essentially I have a 4 bar linkage with all 4 link lengths known, and

Solving 2 Equation with 2 unknowns (Binomial Denominators) Saturday February 16, 2019
Heyguys, I need your help with this oneĀ… I solved it on my own but the answer doesnot seem to match the "correct" answer my professor provided. (Notethat he only provided the correct answer and

Help with linear equation Saturday February 16, 2019
Hi, I'm struggling with this question. I've finished all the subsections besides subsection (d.) Is that section asking for the intersection point of the cost and profit axis? Can anyone post a