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#piday

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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>
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>
jack68k<p>Another great <a href="https://mastodon.social/tags/GlobalTalk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GlobalTalk</span></a> print from <span class="h-card" translate="no"><a href="https://hachyderm.io/@theirongiant" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>theirongiant</span></a></span>, this time to celebrate <a href="https://mastodon.social/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a>.</p><p>Even though the ImageWriter is only 144 DPI, the look of a vintage color print is undeniably charming! Love the pixellated print to my modern laser, too.</p><p><a href="https://mastodon.social/tags/MARCHintosh" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MARCHintosh</span></a></p>
Mark Malowany 🇨🇦Belated ‘Pi Day’ pie. Raspberry Lemon Meringue deliciousness!<br> <br> <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>
Kevin Severud :donor:<p>“[Pi Day] was founded [in 1988] by physicist Larry Shaw, who at the time was on staff at the Exploratorium, a science museum in San Francisco. It began at an Exploratorium staff retreat in Monterey, California, which Shaw and his colleagues took to mark three years since the death of the museum's founder, Frank Oppenheimer, the brother of famed Manhattan Project leader J. Robert Oppenheimer.”<br><a href="https://infosec.exchange/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a> <a href="https://infosec.exchange/tags/maths" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>maths</span></a> <a href="https://flip.it/IF.7Au" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">flip.it/IF.7Au</span><span class="invisible"></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>
Ozzie D, NP-hard :bikepump: :vegan:<p>Happy belated <a href="https://infosec.exchange/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a>!</p>
Robert George 𓇳𓃀𓁹𓏏𓇥𓆓𓀀<p>Yesterday I made a lemon meringue pie for π day. Unfortunately we didn’t have enough cornstarch so, I ended up with a lemon soup stored in a pie<br><a href="https://raphus.social/tags/food" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>food</span></a> <a href="https://raphus.social/tags/baking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>baking</span></a> <a href="https://raphus.social/tags/pie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pie</span></a> <a href="https://raphus.social/tags/HappyPiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HappyPiDay</span></a> <a href="https://raphus.social/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a></p>
Rathmore - Dan Adinolfi<p><span class="h-card" translate="no"><a href="https://mastodon.art/@eloveart" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>eloveart</span></a></span> and I made a song celebrating Pi Day 2025</p><p><a href="https://rathmoretv.bandcamp.com/track/pi-pie" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">rathmoretv.bandcamp.com/track/</span><span class="invisible">pi-pie</span></a></p><p>Pi, pie, gimme some pie...</p><p><a href="https://mastodon.art/tags/music" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>music</span></a> <a href="https://mastodon.art/tags/musicproduction" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>musicproduction</span></a> <a href="https://mastodon.art/tags/electronicmusic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronicmusic</span></a> <a href="https://mastodon.art/tags/dance" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dance</span></a> <a href="https://mastodon.art/tags/edm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>edm</span></a> <a href="https://mastodon.art/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</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>
echo ✨<p>difference between <a href="https://tech.lgbt/tags/tumblr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tumblr</span></a> and mastodon: one has <a href="https://tech.lgbt/tags/piday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>piday</span></a> trending, the other has <a href="https://tech.lgbt/tags/idesofmarch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>idesofmarch</span></a></p>
Spocko<p>It's still <a href="https://mastodon.online/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a> here in California. <br>This guy is right, Pi day is just a fake holiday created by math companies to sell more math.</p><p>Someone is making BANK on Pi Day!</p>
Chuck Berray<p>In celebration of Pi day, we're doing cast-iron pizzas tonight. Calling these a success :) <a href="https://alaskan.social/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a> <a href="https://alaskan.social/tags/Pizza" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pizza</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>
Sheru (she/her)<p>Whenever I manage to make a pie that doesn't gloop out all over the plate I feel like I just won the Bake Off.</p><p><a href="https://wandering.shop/tags/food" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>food</span></a> <a href="https://wandering.shop/tags/Baking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Baking</span></a> <a href="https://wandering.shop/tags/PiDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PiDay</span></a> <a href="https://wandering.shop/tags/HearthWitch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HearthWitch</span></a> <a href="https://wandering.shop/tags/KitchenWitch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>KitchenWitch</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>
Cainmark Does Not Comply 🚲<p>Closed in the afternoon, but I think still closed for the season.</p><p><a href="https://mstdn.social/tags/AromaPieShop" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AromaPieShop</span></a> <a href="https://mstdn.social/tags/Whalan" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Whalan</span></a> <a href="https://mstdn.social/tags/Minnesota" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Minnesota</span></a> <a href="https://mstdn.social/tags/piday2025" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>piday2025</span></a> <a href="https://mstdn.social/tags/piday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>piday</span></a> <a href="https://mstdn.social/tags/MNastodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MNastodon</span></a> <a href="https://mstdn.social/tags/tx_recipes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tx_recipes</span></a> <a href="https://mstdn.social/tags/recipes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>recipes</span></a></p>
Bianca<p>Happy Pi Day <a href="https://mastodon.social/tags/piday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>piday</span></a></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, &amp; cheese<br>I even made cupcake mini pies &amp; 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>
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