Barion Pixel The polar cordinate substitution 1.0 | mathXplain
 
 

The polar cordinate substitution 1.0

04
Enter the world of simple math.
  • Available from home and much cheaper than a private tutor. I use it whenever I want.

    Milan, 19
  • Much better than any of my university lectures.

    Daniel, 20
  • Can't find a private tutor? Don't even look! Head for this site.

    Barbara, 19
  • My seventh-grader brother learned to derive, which is quite an evidence that it is explained clearly.

    George, 18