Damian Yerrick<p>If you can draw a circle in pixel art, you can prove π = 4. Happy Pi Day!</p><p><a href="https://peoplemaking.games/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a> <a href="https://peoplemaking.games/tags/AprilFoolsDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AprilFoolsDay</span></a> <a href="https://peoplemaking.games/tags/AprilFools" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AprilFools</span></a> <a href="https://peoplemaking.games/tags/AprilFoolsDay2025" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AprilFoolsDay2025</span></a> <a href="https://peoplemaking.games/tags/PixelArt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PixelArt</span></a></p>
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#piday
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David Bisset<p>Pi Alignment Chart</p><p><a href="https://phpc.social/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a> <a href="https://phpc.social/tags/Pi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pi</span></a> <a href="https://phpc.social/tags/Math" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Math</span></a></p>
The FreeDOS Project<p>If you're curious about last week's <a href="https://fosstodon.org/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a> article that used a FreeDOS program to "measure" π by counting pixels, here's a follow-up. </p><p>It's about how to write an academic journal article in groff— but really, it was an excuse to explain why the method gives π=2.828 🤓</p><p><a href="https://technicallywewrite.com/2025/03/18/academic" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">technicallywewrite.com/2025/03</span><span class="invisible">/18/academic</span></a></p><p>Short version: it measures a square inside the circle, so the best you can get is 8cos(π/4) or π=2✓2</p><p>*Could be explained better, but the diagrams look really nice! 🤣</p>
Mark Malowany 🇨🇦Belated ‘Pi Day’ pie. Raspberry Lemon Meringue deliciousness!<br>
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<a href="https://pixelfed.social/discover/tags/yeg?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#yeg</a> <a href="https://pixelfed.social/discover/tags/food?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#food</a> <a href="https://pixelfed.social/discover/tags/piDay?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#piDay</a> <a href="https://pixelfed.social/discover/tags/pie?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#pie</a> <a href="https://pixelfed.social/discover/tags/foodPhotography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#foodPhotography</a> <a href="https://pixelfed.social/discover/tags/photography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a>
ytroncal<p>Building a Mini Pi5 Cyberdeck Running Kali Linux <a href="https://pouet.chapril.org/tags/piday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>piday</span></a> <a href="https://blog.adafruit.com/2025/03/14/building-a-mini-pi5-cyberdeck-running-kali-linux-piday/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">blog.adafruit.com/2025/03/14/b</span><span class="invisible">uilding-a-mini-pi5-cyberdeck-running-kali-linux-piday/</span></a></p>
Gareth 🏴🇬🇧<p>Missed this the other day, but it was to good not to share…<br><a href="https://tenforward.social/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a> <a href="https://tenforward.social/tags/browncoats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>browncoats</span></a> <a href="https://tenforward.social/tags/firefly" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>firefly</span></a> <a href="https://tenforward.social/tags/serenity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>serenity</span></a></p>
Jasmine Mangalaseril 🧁<p>Pi Day is one day, but pie can be had every day! My latest food column is up, along with some tasty handheld pies available in town!</p><p><a href="https://mstdn.ca/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a> <a href="https://mstdn.ca/tags/Pies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pies</span></a> <a href="https://mstdn.ca/tags/WaterlooRegion" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WaterlooRegion</span></a> <a href="https://mstdn.ca/tags/Food" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Food</span></a> <a href="https://mstdn.ca/tags/Mastonom" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mastonom</span></a></p><p><a href="https://www.cbc.ca/news/canada/kitchener-waterloo/pi-day-pie-sweet-and-savoury-pie-company-damask-melinas-1.7482688" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">cbc.ca/news/canada/kitchener-w</span><span class="invisible">aterloo/pi-day-pie-sweet-and-savoury-pie-company-damask-melinas-1.7482688</span></a></p>
AnneTheWriter<p>Hope it's not too late for this <a href="https://universeodon.com/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a> post...</p><p>Q: What do you get if you divide the circumference of a pumpkin by its diameter?</p><p>A: Pumpkin Pi.</p><p><a href="https://universeodon.com/tags/HappyPiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HappyPiDay</span></a> <a href="https://universeodon.com/tags/Happy_Pi_Day" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Happy_Pi_Day</span></a> <a href="https://universeodon.com/tags/Pi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pi</span></a> <a href="https://universeodon.com/tags/Comics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Comics</span></a> <a href="https://universeodon.com/tags/MathJoke" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MathJoke</span></a> <a href="https://universeodon.com/tags/MathJokes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MathJokes</span></a> <a href="https://universeodon.com/tags/FunnyMemes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FunnyMemes</span></a> <a href="https://universeodon.com/tags/DadJokes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DadJokes</span></a> <a href="https://universeodon.com/tags/Humor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Humor</span></a> <a href="https://universeodon.com/tags/Mathematics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mathematics</span></a> <a href="https://universeodon.com/tags/PumpkinPie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PumpkinPie</span></a></p>
zaron<p>Cashew Caramel Cheesepie <a href="https://mastodon.social/tags/piday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>piday</span></a> <a href="https://mastodon.social/tags/pieday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pieday</span></a> <a href="https://mastodon.social/tags/baking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>baking</span></a></p>
kernpanik 🐾 🕊️ ☮<p><a href="https://chaos.social/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a> is already over; however, here's an interesting and quite entertaining article explaining why <a href="https://chaos.social/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a> only uses a tiny fraction [sic*] of Pi's infinite decimal places.</p><p>Even for its most accurate calculations, which are for interplanetary navigation, NASA's Jet Propulsion Laboratory uses 3.141592653589793.</p><p><a href="https://www.jpl.nasa.gov/edu/news/how-many-decimals-of-pi-do-we-really-need/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">jpl.nasa.gov/edu/news/how-many</span><span class="invisible">-decimals-of-pi-do-we-really-need/</span></a></p><p>* I find it amusing that they really say “a tiny fraction” - because mathematically, a tiny fraction of an infinite number would still be an infinite number. 🙃</p>
Bob Svercl<p>Happy Pi Day! I baked trio of pies from scratch to celebrate:<br>-white chocolate pudding pie, Oreo pie crust<br>-vegan cinnamon pudding pie, vegan pie crust <br>-pizza pie with pepperoni, pineapple, & cheese<br>I even made cupcake mini pies & used makeshift pie delivery setup on my ebike <br><a href="https://social.ridetrans.it/tags/piDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>piDay</span></a> <a href="https://social.ridetrans.it/tags/pnw" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pnw</span></a> <a href="https://social.ridetrans.it/tags/seaBikes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>seaBikes</span></a></p>
Evan Prodromou<p>Haskap and blueberry pie for dessert <a href="https://cosocial.ca/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a></p>
Evan Prodromou<p>Deep dish pizza pies for <a href="https://cosocial.ca/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a></p>
🇨🇦syncros<p>Irrationally we're having cake on pi-day.<br><a href="https://mastodon.social/tags/piday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>piday</span></a> <a href="https://mastodon.social/tags/PiDay2025" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay2025</span></a></p>
Clare<p>It’s the most wonderful time of the year. <a href="https://mas.to/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a></p>
Chris Silverman 🌻<p><a href="https://mastodon.social/tags/notesArt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>notesArt</span></a> <a href="https://mastodon.social/tags/mastoArt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mastoArt</span></a> <a href="https://mastodon.social/tags/art" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>art</span></a> <a href="https://mastodon.social/tags/illustration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>illustration</span></a> <a href="https://mastodon.social/tags/piday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>piday</span></a></p>
Josh Adams<p>Haven't had a chance to sketch today, but my wife and I did some artistic cooking tonight for <a class="hashtag" href="https://bsky.app/search?q=%23PiDay" rel="nofollow noopener noreferrer" target="_blank">#PiDay</a>. A Fisherman pie with the three-eyed fish from the Simpsons!</p>
LAUREN :bacall_fire:<p><a href="https://hellions.cloud/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a></p>
Aaron Toponce ⚛️:debian:<p>Happy <a href="https://fosstodon.org/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a></p>
The Kid Should See This 🌈🪐✨<p>🥧 Today is Pi Day! Memorize the first 200 digits of this irrational, infinite number with AsapSCIENCE’s Pi Song 2.0 or jumpstart the concept with this Pi Day Music Video by Music Notes. We also have The Infinite Life of Pi (π) and lots more more pi-related videos.</p><p>👉 Watch them: <a href="https://thekidshouldseethis.com/?s=pi" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">thekidshouldseethis.com/?s=pi</span><span class="invisible"></span></a></p><p><a href="https://universeodon.com/tags/video" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>video</span></a> <a href="https://universeodon.com/tags/math" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>math</span></a> <a href="https://universeodon.com/tags/piday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>piday</span></a></p>
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