Archive for: September 2016 - Twisty's Tesseract

RefBook: My pocket journal of tables

29 September 2016 - Posted in Toolbox by twisty

Paper and pencil were my friends since early childhood. Now in a paperless age, I'm trying to find standards. I've been keeping a pocket journal for lists and doodles ever since the release of

Angle "The Giant"

23 September 2016 - Posted in Math by twisty

Another corrected answer on Brilliant.org. Angles DAB and BCD are very acute as their opposing side (BD) is the smallest (2). BDC is similarly acute, opposite the shorter of sides length 6 or 5 (BC).

Folding Polygons into Pyramids 2

15 September 2016 - Posted in Math by twisty

Some corrections to a problem result in lengthy, ongoing discussions. On Brilliant.org, my original correction still raises the question "are we missing yet more 'smart' answers?" The Original

Up!

13 September 2016 - Posted in Systems Administration by twisty

A simple, fast and powerful markdown-based CMS/Wiki Up! is an extremely simple, yet powerful markdown-based CMS/Wiki, to create easily and fast the most light-weight and fastest wiki's,

isPrime

05 September 2016 - Posted in Programming by twisty

I've been trying my hand at more little programming snippets to help my math. Many I've written in Python, some in Linux 'bash' scripts (Bourne Again SHell). Python isPrime (I normally comment my

Folding Polygons into Pyramids

02 September 2016 - Posted in Math by twisty

When I find incorrect answers in Brilliant.org, which is way more often than it should be for only one month of activity, I try to report the problem. Example: Which of the following regular polygons