This project is just a small mathematical project by one person; it's not an invention or a special functional design. Hopefully, it can help engineers who need rotary control.
Happy Pi day for all @ 2026
https://github.com/semmyenator/AREEM
Pi day is the 22nd of July.
July 22 is known as "Pi Approximation Day".
Wait, isn't this supposed to be June 28th?
The 22nd of July is for the rational approximation of π β 22β7 = 3.1428571, which is surprisingly close for its low denominator. The next denominator that can get closer isnβt before 57 (with 179β57 β 3.1403509, which is barely closer at all; the next one with really good increases in accuracy would be 355β113 β 3.1415929). For reference, π β 3.1415927.
June 28 is for the start of the decimal representation of 2π = 6.283β¦ β in certain contexts also referred to as π, and considered by some a βbetterβ choice for a constant to use in your equations than π.
I know, I was making a poor joke about tau vs. pi. ![]()
I was also explaining for potential other readers ![]()
β¦and I had fun writing the linked π-approximation playground.
So you can calculate Ο by trillion digits in Rust? It's amazing!
Stern-Brocot is another approach
. Quick and dirty version.[1]
22/7 doesn't show up as it's not on a "go left"/"go right" boundary (25/8 is the following lower bound); depending on your goal, you may want to check the node before each switch in direction. β©οΈ
Hate to be a buzzkill, but everything about that repo screams that it is completely generated by LLMs. The fluffy wording, the insistence on "breaking down" problems into "phases" or numbered steps.
Why would you want humans to review code that isn't even written by you?
That's Tau day.
Obviously PI day will be Sun Jul 21 2069 ![]()
Thank you, 292 in the continued fraction ![]()
(I remember this one as "113355, split in half 113 355, put the bottom on top 355β113")
This is a smart one!
wouldn't that be the GigaPi day instead?
Perhaps. At least we get 13 correct digits in that day. I'm surprised nobody has questioned what I'm talking about there.
I confess I searched your sentence in duckduckgo and found the relevant reddit post.
btw it's 10 digits (in seconds)
That's odd. I have never been near reddit in my life.
But it's 13 digits in milliseconds. On Sun Jul 21st 2069 at 00:37:33.589 UTC.
Check here: https://dpr.dc.gov/sites/default/files/dc/sites/dpr/page_content/attachments/Digits%20of%20Pi.pdf
Of course I'm assuming your computer handles the 2038 problem before then.