News for hackers. Stuff that matters.
Re:Ask HN: Sources for recreational math for kids? by w3r3c3 on Saturday October 22, 2016 @10:03PM (#12771488)
Re:Ask HN: Sources for recreational math for kids? by ehudla on Sunday October 23, 2016 @03:04AM (#12772383)
Beyond the skills I had in mind, but this is a cool idea - wish I had this when I was first learning about these functions.