1. Közösség
2. Content Requests and Feedback
3. Placement Test

While there is no placement tests. Looking at the subject you need to study for might help. Each of those links provides you with a list of main topics, and to the right of those are the sub topics...

1. Közösség
2. Feature Requests and General Site Feedback
3. Updated software/documentation for JS coding.

Before I found PVector I was doing my own calculations, which did work for direction by slope = y2-y1 over x2-x1, then making y= the result of y2-y1 and x=x2-x1. However magnitude was based on dist...

1. Közösség
2. Feature Requests and General Site Feedback
3. Updated software/documentation for JS coding.

What is needed for them to update? I suppose I could create my own functions that emulate the functionality of the updated version. But. It has been a while since I've done constructors and JS synt...

1. Közösség
2. Study Group
3. Intersection between unit circle and another circle

I forgot to reverse the sign of the 3 when I move it to the right side of the equation. You sir are correct. 

1. Közösség
2. Study Group
3. Intersection between unit circle and another circle

https://www.khanacademy.org/math/geometry/hs-geo-circles/hs-geo-circle-standard-equation/v/graphing-a-circle-from-standard-equation   and this is graphing circles from standard form as shown in equ...

1. Közösség
2. Study Group
3. Intersection between unit circle and another circle

This is for factoring with missing values as shown in my original answer.    https://www.khanacademy.org/math/algebra/polynomial-factorization/factoring-quadratics-perfect-squares/v/solving-for-con...

1. Közösség
2. Study Group
3. Intersection between unit circle and another circle

the standard form of a circle is  (x-h)^2 + (y-k)^2 = r^2.  Center point of the circle is h,k. if (x-2)^2 + (y-5)^2 = 25 then center is (2,5) and the radius of the circle is 5.  So for the bottom e...

1. Közösség
2. Feature Requests and General Site Feedback
3. Updated software/documentation for JS coding.

Was a nice vector library, however he should have done it as a single constructor. If you nest functions inside of a function then it would be considered a constructor. The following link shows tha...

1. Közösség
2. Feature Requests and General Site Feedback
3. Updated software/documentation for JS coding.

Ill see what I can figure out. Can I get link to git?