The Aperiodical logo

  • About
  • Podcasts
  • Carnival of Mathematics
  • Send something in
  • RSS
    Aperiodvent

    Aperiodvent, Day 19: Peg & Cat – Problem Solved

    By Katie Steckles. Posted December 19, 2015

    This is part of the Aperiodical Advent Calendar. We’ll be posting a new surprise for you each morning until Christmas!

    Read more…
    Blackboard Bold, Competitions, Features

    The Aperiodical’s Actually Hexagonal Snowflake Competition 2015

    By Katie Steckles. Posted December 18, 2015

    COMPETITION DEADLINE EXTENDED – SEE BELOW! To celebrate the year end, as well as our daily Advent Calendar posts, we’re also running a little competition – last year we did a pun competition, and this year it’s something a bit more crafty – well, it’s a knitting competition in which the knitting is optional.

    Read more…
    Aperiodvent

    Aperiodvent, Day 18: Numbers Aplenty

    By Katie Steckles. Posted December 18, 2015

    Ever wanted to look up a number and find out all kinds of things about it (like, if you’re making a mathematical advent calendar and want interesting facts about the date each day)? No longer do you have to sift through all the tedious non-maths facts you get if you look up a number on…

    Read more…
    Carnival of Mathematics

    Carnival of Mathematics 129

    By Katie Steckles. Posted December 17, 2015

    The next issue of the Carnival of Mathematics, rounding up blog posts from the month of November, and compiled by the team at Ganit Charcha to celebrate the birthday of Srinivasa Ramanujan, is now online at Ganit Charcha. The Carnival rounds up maths blog posts from all over the internet, including some from our own…

    Read more…
    Aperiodvent

    Aperiodvent, Day 17: Old Pappus’ Book of Mathematical Calligraphy

    By Katie Steckles. Posted December 17, 2015

    Mathematician and part-time calligrapher Andrew Stacey has assembled a beautiful guide to mathematical calligraphy, from the way mathematicians use notation to how different types of symbols can be written using calligraphy techniques. So you can sign all your Christmas cards with maths notation, and keep them looking pretty at the same time! This is part of the…

    Read more…
    Aperiodvent

    Aperiodvent, Day 16: A tessellating bird

    By Christian Lawson-Perfect. Posted December 16, 2015

    https://www.youtube.com/watch?v=9fhILAN9vOY&feature=youtu.be If the song “The Twelve Days of Christmas” had gone up to day 16, that line might have gone “sixteen teals a-tessellating”, and it might look like the above video, made by Chris Watson. Chris has made some worksheets which can help you make your own tessellations. He also sells his own work at tessellationart.com.…

    Read more…
    Videos

    Video: Mathematical Christmas Present Wrapping

    By Peter Rowlett. Posted December 15, 2015

    If you were wondering what happened with all the left-over wrapping paper from this morning’s post about wallpaper groups, Katie has made a YouTube video demonstrating some mathematical quirks of gift wrapping. Enjoy!

    Read more…
  • «Newer Entries
  • Older Entries »

The Aperiodical is a magazine and blog for people who already know they like maths and would like to know more.

Latest news posts

  • Aperiodical News Roundup – January 2026
  • Aperiodical News Roundup – December 2025
  • Particularly mathematical New Years Honours 2026
  • Aperiodical News Roundup – October & November 2025
  • Aperiodical News Roundup – August/September 2025

Categories

  • Apéryodical
  • Columns
    • A Gardner's Dozen in TikZ
    • Aperiodical Round Up
    • Arty Maths
    • Blackboard Bold
    • Carnival of Mathematics
    • cp's mathem-o-blog
      • Adventures in 3D printing
      • Beach Spectres
      • Integer Sequence Review
    • Double Maths First Thing
    • Follow Friday
    • Interesting Esoterica Summation
    • Irregulars
    • Maths Colm
    • MathsJam
      • MathsJam Recaps
    • Matt Parker's Twitter Puzzles
    • Pascal’s Triangle and its Secrets
    • Phil. Trans. Aperiodic.
    • Puzzlebomb
    • Recreational Maths Seminar
    • The Aperiodical's Mathematical Survey
    • Thoughts of a Maths Enthusiast
    • Travels in a Mathematical World
  • Main
    • Aperiodvent
    • Features
    • Interviews
    • News
      • Competitions
      • Events
        • Black Mathematician Month
      • News Roundup
    • Podcasts
      • All Squared
      • Cushing and CP's Random Talks
      • Mathematical Objects
      • Podcasting About
      • The Aperiodcast
    • Reviews
    • Videos
      • -e^iπ to Watch
  • Pictures
  • Puzzling
  • Report
  • The Big Internet Math-Off
    • The Big Internet Math-Off 2018
    • The Big Internet Math-Off 2019
    • The Big Internet Math-Off 2024
    • The Big Lock-Down Math-Off

The Aperiodical © 2026 Peter Rowlett, Katie Steckles and Christian Lawson-Perfect. All posts © their authors. All rights reserved.