Nous sommes un jour puissance 27 = 3³ 9 = 3² 25 = 5² 2025 = 45² 27/09/2025 → 27092025=(5205)² 09/27/2025 → 9272025=(3045)² Trouvé par @talljerome.bsky.social

Watch these numbers do-si-do🎶

Pac-Man animation created with ONE equation line (+ one additional line for slider) in @desmos.com by my student Maddy. I chipped in with the disappearing dots. www.desmos.com/calculator/v...

Simple puzzle in @geogebra.org, slide discs to opposite sides of the track www.geogebra.org/m/yqbqjafv

When a good Math problem yields a surprisingly tidy solution, that can be fun. But sometimes I really appreciate it when the problem refuses to spit out those tired old tidy numbers you've seen n→∞ times before. @geogebra.org www.geogebra.org/m/yfdjuqta #calculus #optimization

Two identical cylinders bump into each other at a corner... www.geogebra.org/m/ennzeuek @geogebra.org #calculus

Surface area of a sphere, intuitive approach with @geogebra.org ? #calculus www.geogebra.org/m/eb3ndfur

Totally illegal "cancelling" of fractions that still yields the correct result 😱

Mardi Gras today, so time for the once-a-year shearing

Every December a math meme makes the rounds in which an equation is algebraically rearranged to yield "merry = x-mas." Not really trying to be grinchy, but in the interest of providing an alternate viewpoint: