See my (Tee)Spring shop, "Inspired by Math", for t-shirts featuring some of my mathy
designs that have become somewhat popular on Math.SE.
My Etsy shop, also "Inspired by Math", has posters. (Want a particular design? Tell me!)
Seeking mathy employment outside of the traditional classroom.
(Consultant to a STEM interest group, or even a museum? Contributor/ghost-writer/
copy-editor/proof(!)-reader/TeX-ifier/diagrammist for articles or books? Coder/
UX-designer of educational iOS apps or games? Geometer-for-hire?)
Austin-area and/or remote.
Contact me via the "Email the Trigonographer" link at trigonography.com.
Follow @inspiredByMath on Twitter. (I usually just post "Mathy Day" announcements;
eg, 3.14.15 was Super Pi Day, and 4.12.20 was an Arithmetic Progression Day as well as
a Multiples-of-4 Day.)
I'm the ...
Trigonographer at trigonography.com, spotlighting diagrammatic proofs for trig relations.
Hedronometer at hedronometry.com, studying the dimensionally-enhanced trig of tetrahedra.
FYI: I use GeoGebra ---specifically, the desktop app--- for my images.