Top all-time · #21626
Continuous Everywhere but Differentiable Nowhere
Personal blog · samjshah.commath
Continuous Everywhere but Differentiable Nowhere is a personal blog at samjshah.com about math. Since 2010, 3 different Hacker News readers have linked it 3 times. It is still writing: the last post was on 2025-08-19, and you can follow it by feed.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
HN readers link this post on standards-based grading (SBG). One commenter says it describes how SBG works in a rigorous high school classroom.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
I have no idea why I picked this blog name, but there's no turning back now
What Hacker News says?
http://samjshah.com/2010/09/09/first-day-of-201011-introduci... This is a great post describing the mechanics of SBG. You'll get a sense of how it can work in a rigorous high school classroom.
Comment linking /2010/09/09/first-day-of-201011-introducing-sbg/
on “Many teachers...grading...for compliance - not for mastering course material”Submitted Sangaku Puzzle I Can't Solve as a story · 41 points
HN discussionSubmitted My Favorite Test Question of All Time as a story · 3 points
HN discussion