For people who actually enjoy math! Puzzles, proofs, recreational mathematics, and helping each other with coursework. From algebra to topology, all levels welcome.
admin
Weekly math puzzle
Dec 28, 2026 4:03 pm
Puzzle: A rope is wrapped around the Earths equator. If you add just 1 meter of rope, how high above the surface can you lift it uniformly?
Avtoservis_gmei
Dec 29, 2026 11:03 am
New member here. Already learning so much from this thread!
Donna Vasquez
Dec 29, 2026 3:03 pm
Just tried this and it worked perfectly. Thanks for the tip!
admin
Favorite mathematical proofs
Dec 28, 2026 1:03 pm
Euclids proof that there are infinitely many primes is elegant in its simplicity. What proof blew your mind?
Donna Vasquez
Dec 28, 2026 3:03 am
Couldnt agree more. Wish more people understood this before jumping in.
Alice Hartwell
Dec 29, 2026 12:03 pm
Adding to this: you can also try a different approach that worked for me...
Grace Tanaka
Dec 29, 2026 9:03 pm
I am bookmarking, printing, AND saving this to a floppy. Too good to lose.
Alice Hartwell
Dec 30, 2026 8:03 pm
Does this work for everyone or just certain setups? Asking because my situation is a bit different.
admin
Explaining calculus intuitively
Dec 28, 2026 11:03 am
Derivatives are slopes. Integrals are areas. The fundamental theorem connects them. But WHY does it work? Lets discuss the intuition.
admin
Dec 28, 2026 3:03 am
Interesting perspective. I never thought about it that way before.
Grace Tanaka
Dec 28, 2026 8:03 am
I wish I had known this sooner. Would have saved me a lot of trouble.
Dave Modem
Dec 29, 2026 11:03 pm
Anybody have a link with more details? Would love to read up on this.
Alice Hartwell
Is math discovered or invented?
Dec 28, 2026 2:03 am
The eternal philosophical debate. Do mathematical truths exist independently or are they human constructs?
Avtoservis_hnei
Dec 28, 2026 12:03 pm
Been lurking for months. Finally creating an account to say THANK YOU for this post.
Charlie Reeves
Dec 29, 2026 12:03 am
Just shared this thread with my friend who has the same question. Great resource!
Grace Tanaka
Dec 30, 2026 6:03 pm
I created a FAQ document based on this discussion. Happy to share if anyone wants it.
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