Need to refresh your math skills? From basic algebra to calculus and beyond.
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Submission timeline
2007–2026One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.
First comments on top threads
HN comment orderFor most people, they come out of high school not just poor at math, they come out "Math Broken" as one of my friends puts it. The second you mention anything to do with Math, their eyes glaze over and their brain completely disengages. I think there are a lot of things that contribute to that, but generally Math is not taught in a very approachable way. The KhanAcademy is I think a very good start in solving that problem…
High school CS teacher here. I really hate taking shots at Khan Academy, because I love what they do and his other videos have really helped a lot of my students in chemistry, economics, etc. However, he's moving through the material MUCH more quickly than I've ever been able to do as a teacher. And I get nearly 5 hours a week of face time with my students. For example, his third lecture is on for loops. My students, on…
I just went through the first 3 videos on VC but I found it curious that there was no mention of participation rights (1x, 1.5x etc.) and their effect on the outcome for founders. It is such an important concept that leaving it out of the video is a significant strike against. I like Sal's stuff generally, but I would vote this particular video down if I could (for the reasons mentioned above).
This was posted here just a few weeks ago: http://news.ycombinator.com/item?id=1058359
The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.
- Breakout years
- 2
- Total points
- 755
- Total comments
- 267
100+ points or 50+ comments
reference only — not used in Hall rules or ranking
reference only — not used in Hall rules or ranking
Every submission
| Date | Title as submitted | By | Points | Comments |
|---|---|---|---|---|
| 2009-07-30 | Khan Academy: Offering an education through youtube | harkain | 7 | 0 |
| 2009-10-30 | Educating yourself on youtube | morphir | 12 | 0 |
| 2010-01-17 | Need to refresh your math skills? From basic algebra to calculus and beyond.First breakout · Best thread | chaosmachine | 344 | 70 |
| 2010-02-07 | Providing a high quality education to anyone, anywhere. | access_denied | 28 | 13 |
| 2010-08-30 | Khan Academy's Website | ricaurte | 4 | 0 |
| 2010-11-29 | Khan Academy: Venture Capital & Capital Markets | weel | 45 | 3 |
| 2011-06-05 | A free world-class education for anyone anywhere | omergertel | 3 | 0 |
| 2011-11-01 | Khan Academy: Computer ScienceLatest 20+ point return | keiferski | 307 | 181 |
| 2013-03-13 | Khan Academy changes its UI. | edferda | 1 | 0 |
| 2021-07-09 | Khan Academy | hidden-spyder | 4 | 0 |