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It's Pi Day! (Original Post) Marthe48 Yesterday OP
;-{)..... Goonch Yesterday #1
Interesting article about PI day Callalily Yesterday #3
Pi Day Fun Facts Callalily Yesterday #2
22/7 ... 21.99/7 ... bucolic_frolic Yesterday #4
Meh EYESORE 9001 Yesterday #5
Just read that a trillion digits are known Marthe48 23 hrs ago #6
My favorite - a Raspberry Pi Wonder Why 21 hrs ago #7
Happy Pi Day LetMyPeopleVote 21 hrs ago #8
Happy Birthday Albert Einstein. Born on Pi-day. LetMyPeopleVote 21 hrs ago #9
Or Pi Day was established on Einstein's birthday? Marthe48 20 hrs ago #10
Maybe I'll order a pizza pie for dinner! bif 17 hrs ago #11
We did Marthe48 16 hrs ago #13
Wednesday, Thursday, Pi Day! True Dough 17 hrs ago #12
Pi Day Mathematical Humor LetMyPeopleVote 14 hrs ago #14
Excellent! Marthe48 14 hrs ago #15

Callalily

(15,369 posts)
2. Pi Day Fun Facts
Sat Mar 14, 2026, 08:20 AM
Yesterday

Key 2026 Pi Day Facts:

Significance: Pi represents the ratio of a circle's circumference to its diameter, a constant roughly equal to 3.14159.

History: Founded in 1988 by Larry Shaw at San Francisco’s Exploratorium, it is also Albert Einstein’s birthday.

Celebration: Celebrated with mathematical activities and, frequently, eating "pie".

bucolic_frolic

(54,878 posts)
4. 22/7 ... 21.99/7 ...
Sat Mar 14, 2026, 08:45 AM
Yesterday

i though they taught us to use 22/7. Not it's not quite the real value. smh

Marthe48

(23,066 posts)
6. Just read that a trillion digits are known
Sat Mar 14, 2026, 09:40 AM
23 hrs ago

People track what positions 314159 appear in the sequence. Who knew?

Marthe48

(23,066 posts)
10. Or Pi Day was established on Einstein's birthday?
Sat Mar 14, 2026, 12:49 PM
20 hrs ago

One of our family friends resembled a famous singer. People often told him he looked like Kenny Rogers. He was older than Kenny Rogers, so he'd say, "No, Kenny Rogers looks like me!"

Latest Discussions»The DU Lounge»It's Pi Day!