News:

• Online GeoGebra classes the first Saturday of each month. Next class is 01 April 2023, 9-11am CST/UTC-6.
  Buy tickets now via EventBrite.
• Starting in January, Patreon subscribers at the $10 Narwhal and above tiers will receive physical rewards in the mail each month! Expect stickers, postcards, whatever fits in an envelope. I've been having a blast designing stickers lately and can't wait to share.
• I gave a talk on constructing star rosette patterns in GeoGebra for the University of Toronto Scarborough undergraduate seminar 26 October 2022.
• I presented a paper "Generating Families of "Islamic Star Rosette Patterns Based on k-Uniform Tilings" (virtually) at this year's Bridges conference, 1-5 August 2022.
• I taught at the 2022 Prince's School of Traditional Arts Geometry Summer School, 26-29 August 2022.
• I've added some new videos to my "Basic Euclidean Geometry with GeoGebra" playlist to my extensive collection of geometry, calculus, topology, origami, and GeoGebra tutorial videos on YouTube
     
• GEAR 2021 Folding Sevens videos and files
• 10-fold Rosette tutorial
• If you're looking for my old mathematics teaching content, you can find that here.