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[[caption-width-right:331:The perfect pie has 3.14159 tablespoons of butter.]]

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Pi, the number, is known for many things: [[MouthfulOfPi being irrational]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]In English, that is. Not so in many other languages, such as Modern Greek or Russian, whereupon it's pronounced as "pee".[[/note]]

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Pi, the number, is known for many things: [[MouthfulOfPi being irrational]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]In English, that is. Not so in many other languages, such as Modern Greek or Russian, whereupon where it's pronounced as "pee".[[/note]]
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* ''TabletopGame/MagicTheGathering'': The Unfinity joke card [[https://scryfall.com/card/unf/116/omniclown-colossus-pie-roclasm Omniclown Colossus]] is a robotic clown that deals π damage to all non-Clown creatures with an Adventure effect named Pie-roclasm.
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* ''WebOriginal/PusheenTheCat'': The pun is given a shout-out in the strip ''How to Calculate Pi''.

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* ''WebOriginal/PusheenTheCat'': ''Webcomic/PusheenTheCat'': The pun is given a shout-out in the strip ''How to Calculate Pi''.
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fixing red link


* ''Website/{{Sporcle}}'' has the "I Like Pi" badge, earned for completing one quiz about pie and one quiz about pi on Pi Day.

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* ''Website/{{Sporcle}}'' The website Sporcle has the "I Like Pi" badge, earned for completing one quiz about pie and one quiz about pi on Pi Day.
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Pi, the number, is known for many things: [[MouthfulOfPi being infinite]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]In English, that is. Not so in many other languages, such as Modern Greek or Russian, whereupon it's pronounced as "pee".[[/note]]

to:

Pi, the number, is known for many things: [[MouthfulOfPi being infinite]], irrational]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]In English, that is. Not so in many other languages, such as Modern Greek or Russian, whereupon it's pronounced as "pee".[[/note]]
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Extraverted Nerd was disambig'd per TRS


This is, basically, any pun on the words "pie" and "pi". It's a good excuse to be both nerdy and intellectual, but at the same time silly and jokey. Perhaps a scientist calculating pi is followed by someone (who could be TheDitz and/or a BigEater) [[WhosOnFirst asking where the pie is]], or perhaps someone is made hungry by talk of pi. If a character deliberately makes a joke about pi, they're often a quirky scientist or an ExtravertedNerd.

to:

This is, basically, any pun on the words "pie" and "pi". It's a good excuse to be both nerdy and intellectual, but at the same time silly and jokey. Perhaps a scientist calculating pi is followed by someone (who could be TheDitz and/or a BigEater) [[WhosOnFirst asking where the pie is]], or perhaps someone is made hungry by talk of pi. If a character deliberately makes a joke about pi, they're often a quirky scientist or an ExtravertedNerd.
scientist.
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Pi, the number, is known for many things: [[MouthfulOfPi being infinite]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]In English, that is. Not so in many other languages, such as Modern Greek or Russian, whereupon it's pronounced as "pee". But since [[AliensSpeakingEnglish everyone speaks English]]...[[/note]]

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Pi, the number, is known for many things: [[MouthfulOfPi being infinite]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]In English, that is. Not so in many other languages, such as Modern Greek or Russian, whereupon it's pronounced as "pee". But since [[AliensSpeakingEnglish everyone speaks English]]...[[/note]]
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Wiki/ namespace cleaning.


* On Wiki/ThisVeryWiki, the trope for someone who can calculate pi to a great many places is called MouthfulOfPi.

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* On Wiki/ThisVeryWiki, Website/ThisVeryWiki, the trope for someone who can calculate pi to a great many places is called MouthfulOfPi.
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** In other Discworld books, [[WizardingSchool Unseen University]] is known for the [[BigEater appetites of its wizards]], causing it to have an unofficial motto of "Eta Beta Pi"--"Eat a bit of (or 'a better') pie."
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[[folder:TabletopGames]]
* In ''TabletopGame/Cyberpunk2020'' and ''TabletopGame/NetRunner'', one of the ways of disabling hostile artificial intelligences is called "pi in the face", which causes the AI to go for a loop calculating digits of pi.
[[/folder]]
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* ''WesternAnimation/DextersLaboratory'': Dee Dee sends Dexter on a treasure hunt to find his missing nuclear core. The first clue directs Dexter to the pies his mom has baked via it mentioning the flavors and noting pi is R squared.
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* ''WebOriginal/PusheenTheCat'': The pun is given a shout-out in the strip ''How to Calculate Pi''.
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Restoring.


Pi, the number, is known for many things: [[MouthfulOfPi being infinite]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]In English, that is. Not so in many other languages, but since [[AliensSpeakingEnglish everyone speaks English]]...[[/note]]

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Pi, the number, is known for many things: [[MouthfulOfPi being infinite]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]In English, that is. Not so in many other languages, but such as Modern Greek or Russian, whereupon it's pronounced as "pee". But since [[AliensSpeakingEnglish everyone speaks English]]...[[/note]]
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* In ''VideoGame/AnimalCrossingNewHorizons'', starting from the version 1.8.0 update, players can order "π pies" from the Seasonal section of the Nook Shopping service from March 1st to 14th in honour of "Pi Day"[[note]]"March 14" can be rendered as "3/14", and pi rounded to two decimal places is 3.14[[/note]]. To underscore the point, [[https://animalcrossingworld.com/wp-content/uploads/2021/02/animal-crossing-new-horizons-nook-shopping-seasonal-item-pi-day-790x444.jpg each pie is decorated with a "π" baked into the crust.]]

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* In ''VideoGame/AnimalCrossingNewHorizons'', starting from the version 1.8.0 update, players can order "π pies" from the Seasonal section of the Nook Shopping service from March 1st to 14th in honour of "Pi Day"[[note]]"March 14" can be rendered as "3/14", and pi rounded to two decimal places is 3.14[[/note]]. To underscore the point, [[https://animalcrossingworld.com/wp-content/uploads/2021/02/animal-crossing-new-horizons-nook-shopping-seasonal-item-pi-day-790x444.jpg each pie is decorated with a "π" baked into the crust.]]]] How much does it cost to order? 314 bells.
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* ''WesternAnimation/TheAmazingWorldOfGumball'': During the Joyful Burger ad at the end of the episode "The Money", Richard says he ate Anais' homework because she said it had pie in it. Anais corrects him, saying she meant the number pi.
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* In a Series/CriminalMinds season twelve episode, a StalkerWithACrush discovers that Dr. Reid has a thing for math puns, she has her hostage call him and tell him the answer to his question is "as easy as Pi".
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really


Pi, the number, is known for many things: [[MouthfulOfPi being infinite]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]Unless you're speaking Modern Greek or Russian, whereupon it's pronounced "[[UrineTrouble pee]]".[[/note]]

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Pi, the number, is known for many things: [[MouthfulOfPi being infinite]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]Unless you're speaking Modern Greek or Russian, whereupon it's pronounced "[[UrineTrouble pee]]".[[note]]In English, that is. Not so in many other languages, but since [[AliensSpeakingEnglish everyone speaks English]]...[[/note]]
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Pi, the number, is known for many things: [[MouthfulOfPi being infinite]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]Unless you're speaking Modern Greek or Russian, whereupon it's pronounced "pee".[[/note]]

to:

Pi, the number, is known for many things: [[MouthfulOfPi being infinite]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]Unless you're speaking Modern Greek or Russian, whereupon it's pronounced "pee"."[[UrineTrouble pee]]".[[/note]]
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Pi, the number, is known for many things: being infinite, being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]Unless you're speaking Modern Greek or Russian, whereupon it's pronounced "pee".[[/note]]

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Pi, the number, is known for many things: [[MouthfulOfPi being infinite, infinite]], being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]Unless you're speaking Modern Greek or Russian, whereupon it's pronounced "pee".[[/note]]
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"This page, which I haven't bothered to tell you the name of, is obviously related to the topic for reasons that won't be apparent to you, the reader, because I haven't told you what they are."


* [[https://www.grammarly.com/blog/20-pi-puns-inspire-nerdiness/ This]] page has pi jokes, most of which, naturally, are puns with pie:

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* [[https://www.grammarly.com/blog/20-pi-puns-inspire-nerdiness/ This]] page 20 Pi Puns to Inspire Your Nerdiness]] has pi jokes, most of which, naturally, are puns with pie:

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* In ''VideoGame/AnimalCrossingNewHorizons'', starting from the version 1.8.0 update, players can order "π pies" from the Seasonal section of the Nook Shopping service from March 1st to 14th in honour of "Pi Day"[[note]]"March 14" can rendered as "3/14", and pi rounded to two decimal places is 3.14[[/note]]. To underscore the point, [[https://animalcrossingworld.com/wp-content/uploads/2021/02/animal-crossing-new-horizons-nook-shopping-seasonal-item-pi-day-790x444.jpg each pie is decorated with a "π" baked into the crust.]]

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* In ''VideoGame/AnimalCrossingNewHorizons'', starting from the version 1.8.0 update, players can order "π pies" from the Seasonal section of the Nook Shopping service from March 1st to 14th in honour of "Pi Day"[[note]]"March 14" can be rendered as "3/14", and pi rounded to two decimal places is 3.14[[/note]]. To underscore the point, [[https://animalcrossingworld.com/wp-content/uploads/2021/02/animal-crossing-new-horizons-nook-shopping-seasonal-item-pi-day-790x444.jpg each pie is decorated with a "π" baked into the crust.]]



* A common way to celebrate the unofficial holiday Pi Day [[note]] which is on March 14th (3/14), of course [[/note]] is to eat pie or give (hopefully) willing participants a PieInTheFace.
** Some math teachers in the United States use this to get their students engaged in Geometry leading up to Pi Day. On the day itself [[note]] (or the Friday before if it falls on a weekend) [[/note]], the teachers may often reward their students by bringing in pie to eat and/or allowing a lucky student (usually [[MouthfulOfPi the one who could recite the most digits of pi]]) to pie them in the face.

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* A common way to celebrate the unofficial holiday Pi Day [[note]] which is on March 14th (3/14), of course [[/note]] is to eat pie or give (hopefully) willing participants a PieInTheFace.
**
PieInTheFace. Some math teachers in the United States use this to get their students engaged in Geometry leading up to Pi Day. On the day itself [[note]] (or the Friday before if it falls on a weekend) [[/note]], the teachers may often reward their students by bringing in pie to eat and/or allowing a lucky student (usually [[MouthfulOfPi the one who could recite the most digits of pi]]) to pie them in the face.
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* In ''VideoGame/AnimalCrossingNewHorizons'', the player can receive a pie from Resident Services on March 14th, Pi Day. To underscore the point, [[https://animalcrossingworld.com/wp-content/uploads/2021/02/animal-crossing-new-horizons-nook-shopping-seasonal-item-pi-day-790x444.jpg the pie is decorated with a "π" baked into the crust.]]

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* In ''VideoGame/AnimalCrossingNewHorizons'', the player can receive a pie starting from Resident Services on the version 1.8.0 update, players can order "π pies" from the Seasonal section of the Nook Shopping service from March 14th, Pi Day.1st to 14th in honour of "Pi Day"[[note]]"March 14" can rendered as "3/14", and pi rounded to two decimal places is 3.14[[/note]]. To underscore the point, [[https://animalcrossingworld.com/wp-content/uploads/2021/02/animal-crossing-new-horizons-nook-shopping-seasonal-item-pi-day-790x444.jpg the each pie is decorated with a "π" baked into the crust.]]

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[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/pie_7.jpg]]



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* ''WesternAnimation/PhineasAndFerb'': In "Backyard Hodge Podge," Linda hallucinates from the exhaustion of baking pies all night, and sees her pies come to life and sing a short song about pi.
-->''Three-point-one-four-one-five-nine-two...Three-point-one-four-one-five-nine-two...Three-point-one-four-one-five-nine-two...Pi!''
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* ''WesternAnimation/{{Animaniacs}}'': In one episode, the teacher Ms. Flamiel has a textbook called "Mathematics: Easy as [Pi symbol]."

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* ''WesternAnimation/{{Animaniacs}}'': In one episode, the teacher Ms. Flamiel has a textbook called "Mathematics: Easy as [Pi symbol]."π".



--> '''Apu:''' I can recite pi to 40,000 decimal places. The last digit is "1".
--> '''Homer:''' Mmm, pie.

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--> '''Apu:''' -->'''Apu:''' I can recite pi to 40,000 decimal places. The last digit is "1".
-->
"1".\\
'''Homer:''' Mmm, pie.
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[[https://images.app.goo.gl/Np4JphYmy2NBRMXc9]]

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[[https://images.app.goo.gl/Np4JphYmy2NBRMXc9]]
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* In ''VideoGame/AnimalCrossingNewHorizons'', the player can receive a pie from Resident Services on March 14th, Pi Day. To underscore the point, [[https://animalcrossingworld.com/wp-content/uploads/2021/02/animal-crossing-new-horizons-nook-shopping-seasonal-item-pi-day-790x444.jpg the pie is decorated with a "?" baked into the crust.]]

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* In ''VideoGame/AnimalCrossingNewHorizons'', the player can receive a pie from Resident Services on March 14th, Pi Day. To underscore the point, [[https://animalcrossingworld.com/wp-content/uploads/2021/02/animal-crossing-new-horizons-nook-shopping-seasonal-item-pi-day-790x444.jpg the pie is decorated with a "?" "π" baked into the crust.]]



* ''VideoGame/XenobladeChronicles2'' has the artificial blade Poppi. As she's essentially an android, she gets upgraded across the course of the story to two additional forms, each making her appear older and designated by a punny acronym. Her final upgrade, when she resembles a beautiful young woman, is called Poppi QT?.

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* ''VideoGame/XenobladeChronicles2'' has the artificial blade Poppi. As she's essentially an android, she gets upgraded across the course of the story to two additional forms, each making her appear older and designated by a punny acronym. Her final upgrade, when she resembles a beautiful young woman, is called Poppi QT?.QTπ.
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->''They said, "Would you like some pi?". I said, "Yes, I would." I forgot they majored in math. I would undo it if I could.''
-->-- ''Music/{{Songdrops}}'', "The Pi Song"
[[https://images.app.goo.gl/Np4JphYmy2NBRMXc9]]

Pi, the number, is known for many things: being infinite, being the ratio of the circumference to the diameter of all circles, and... being the homophone of a food.[[note]]Unless you're speaking Modern Greek or Russian, whereupon it's pronounced "pee".[[/note]]

This is, basically, any pun on the words "pie" and "pi". It's a good excuse to be both nerdy and intellectual, but at the same time silly and jokey. Perhaps a scientist calculating pi is followed by someone (who could be TheDitz and/or a BigEater) [[WhosOnFirst asking where the pie is]], or perhaps someone is made hungry by talk of pi. If a character deliberately makes a joke about pi, they're often a quirky scientist or an ExtravertedNerd.

It might also be a visual joke, such as a pie with the pi symbol written on it, or just a good old-fashioned {{pun}}, such as someone saying that math is "easy as pi".

Subtrope of FunWithHomophones. Compare {{Duck}}, LiteralMetaphor, LiteralMoneyMetaphor, KitchenSinkIncluded, ElvishPresley, UranusIsShowing, LiteralBookworm, and BallsGag for other stock puns. Also compare LOL69 and FourTwentyBlazeIt for other number jokes. Also compare GratuitousGreek, since pi was named after a Greek letter.

!! Examples
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[[foldercontrol]]

[[folder:Jokes]]
* [[https://www.grammarly.com/blog/20-pi-puns-inspire-nerdiness/ This]] page has pi jokes, most of which, naturally, are puns with pie:
** "Come to the nerd side. We have pi."
** "Simple as 3.141592..."
** "The roundest knight at King Arthur's table was [[PunnyName Sir Cumference]]. He ate too much pi."
** "The worst thing about getting hit in the face with pi is that it never ends."
** "What do you do when you take green cheese and divide its circumference by its diameter? [[CheesyMoon Moon]] pi."
** "What was Sir Isaac Newton's favourite dessert? Apple pi."
** "What is a [[GeniusSweetTooth math teacher's favourite dessert]]? Pi!"
** "The mathematician says, 'Pi r squared.' The baker says, 'No, pies are round. Cakes are square.'"
** "Just saw ''[[Film/AmericanPie American Pi]]''. Gave it a rating of 3.14."
** "What do you get when you take the sun and divide its circumference by its diameter? Pi in the sky."
** "How many pastry chefs does it take to make a pie? 3.14."
** "What do you get when you cut a jack-o-lantern by its diameter? Pumpkin pi."
** "What is 1.57? Half a pie."
** "What is the ideal number of pieces to cut a pie into? 3.14."
** "How many calories are there in that slice of chocolate pie? Approximately 3.14."
[[/folder]]

[[folder:Literature]]
* In ''7 Ate 9: The Untold Story'', Private I goes to a cafe to order a "slice of pi". The pie in question is shaped like the pi sign.
* In Boris Zakhoder's Russian retelling ([[InsistentTerminology not translation]]) of ''Literature/AlicesAdventuresInWonderland'', one of the poems Alice recites is about a mathematician and a little goat dividing a pie. In Russian "pie" is pronounced as "peerog", while "pee" is the Russian pronunciation of "pi" and "rog" means "horn". Therefore, by dividing a pie the mathematician gets the pi and the goat gets the horns.
* In ''Literature/GoingPostal'', there is a bit of a confusion for some characters (and for the reader) as to how the curse of the Post Office was related to a pie. It turns out it was related to the pi (Bloody Stupid Johnson built a letter-sorting machine in which the pi equaled exactly three, and mayhem ensued).
[[/folder]]

[[folder:Live-Action TV]]
* From the ''Series/DoctorWho'' episode "Flatline":
-->'''The Doctor:''' ''[preparing to scan]'' Okay, let's start with pi! Even in a flat world, they would have circles! I don't mean edible pie, I mean circular pi. Which I realise would also be an edible pie.
* ''Series/OddSquad'': In the episode "Training Day", after a [[{{Portmanteau}} pienado]] is released, an alarm sounds, with a voice reciting the digits of pi.
[[/folder]]

[[folder:Music]]
* ''Music/PigWithTheFaceOfABoy'' has a 2-part song called "Pi and Mash" in which the numbers of Pi are recited, and then a song is sung about mash (described as "the perfect thing to go with Pi").
* ''Music/{{Songdrops}}'':
** In "The Pi Song", some people ask, "Would you like some pi?". The singer, thinking they meant pie, replies in the affirmative and the other people start reciting pi to him.
** "The Extended Pi Song" is a sequel to "The Pi Song", in which the singers, after reciting pi, ask, "Would you like some more?", and he says no, but they keep reciting anyway, even when he's literally saying, "[[EverybodyHatesMathematics Make it stop]]".
[[/folder]]

[[folder:Toys]]
* ''Toys/TransformersBotBots'' has the character "Chief Cherry 3.14", a robot that transforms into a slice of cherry pie.
[[/folder]]

[[folder:Video Games]]
* In ''VideoGame/AnimalCrossingNewHorizons'', the player can receive a pie from Resident Services on March 14th, Pi Day. To underscore the point, [[https://animalcrossingworld.com/wp-content/uploads/2021/02/animal-crossing-new-horizons-nook-shopping-seasonal-item-pi-day-790x444.jpg the pie is decorated with a "?" baked into the crust.]]
* ''VideoGame/TheOuterWorlds'': You can give Felix a job interview before recruiting him as a companion. With high enough Intelligence, you can ask him what the value of Pi is. His answer? "It's delicious!"
* ''VideoGame/XenobladeChronicles2'' has the artificial blade Poppi. As she's essentially an android, she gets upgraded across the course of the story to two additional forms, each making her appear older and designated by a punny acronym. Her final upgrade, when she resembles a beautiful young woman, is called Poppi QT?.
[[/folder]]

[[folder:Web Animation]]
* ''WebAnimation/TheOdd1sOut'': In "Why Pi is Awesome", James says that the main reason pi is awesome is its name-- it's a number that allows people to make silly puns due to sounding like "pie".
[[/folder]]

[[folder:Web Comics]]
* ''Webcomic/ThePetriDish'': One strip has Thaddeus craving pie after doing many calculations involving pi.
[[/folder]]

[[folder:Web Original]]
* On Wiki/ThisVeryWiki, the trope for someone who can calculate pi to a great many places is called MouthfulOfPi.
* [[https://www.youtube.com/watch?v=jG7vhMMXagQ This]] web video makes a case for why we should replace Pi with Tau in mathematics. The narration is accompanied by footage of the creator baking two pies.
* ''Website/{{Neopets}}'': In one April Fool's joke, the staff had FunWithAutocensors to prevent users from talking about the prank and spoiling the surprise. Since the prank involved pies in the face, it censored "pie" into "danger", "pi" into "air", and "3.14" into "numbers".
* ''Website/{{Sporcle}}'' has the "I Like Pi" badge, earned for completing one quiz about pie and one quiz about pi on Pi Day.
[[/folder]]

[[folder:Western Animation]]
* ''WesternAnimation/{{Animaniacs}}'': In one episode, the teacher Ms. Flamiel has a textbook called "Mathematics: Easy as [Pi symbol]."
* ''WesternAnimation/TheGrimAdventuresOfBillyAndMandy'': In the episode "Test of Time", Billy is reading a book on theoretical physics and when he gets to a formula with pi in it, he goes to get pie from the fridge.
* ''WesternAnimation/TheLoudHouse'': In "No Laughing Matter", [[ChildProdigy Lisa]] mentions pi while working in her impromptu laboratory. [[ThePrankster Luan]] then comes in, says, "Did you say pie?!", and gives her a PieInTheFace.
* ''WesternAnimation/PinkyAndTheBrain'': In one scene, Pinky wonders what pie is, meaning the food. The Brain explains what pi the number is.
* There's an example from ''WesternAnimation/TheSimpsons'' that goes:
--> '''Apu:''' I can recite pi to 40,000 decimal places. The last digit is "1".
--> '''Homer:''' Mmm, pie.
[[/folder]]

[[folder:Real Life]]
* A common way to celebrate the unofficial holiday Pi Day [[note]] which is on March 14th (3/14), of course [[/note]] is to eat pie or give (hopefully) willing participants a PieInTheFace.
** Some math teachers in the United States use this to get their students engaged in Geometry leading up to Pi Day. On the day itself [[note]] (or the Friday before if it falls on a weekend) [[/note]], the teachers may often reward their students by bringing in pie to eat and/or allowing a lucky student (usually [[MouthfulOfPi the one who could recite the most digits of pi]]) to pie them in the face.
[[/folder]]
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