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Ask HN: What works to learn mathematical problem solving?

2•tiu•2h ago
I was active in mathematical contests during high school but beyond that the patience to sit through a problem and the classic "tricks" have elapsed beyond me. Even doable problems feel out of reach due to not being able to reason systematically.

What worked for you that helps solving such problems? (Project Euler style, Putnam etc)

Show HN: The Put Monolith – A Minimal AI-Ingestible Ruleset

https://github.com/publicusagetax/PUT-Monolith-v2
1•publicusagetax•1m ago•0 comments

Upgrading to Raspberry Pi OS Trixie

https://smist08.wordpress.com/2025/11/16/upgrading-to-raspberry-pi-os-trixie/
1•ingve•6m ago•0 comments

Britain to make refugee status temporary

https://www.reuters.com/world/uk/britain-announces-largest-asylum-policy-overhaul-modern-times-20...
2•PessimalDecimal•7m ago•0 comments

Adding an imaginary unit to a finite field

https://www.johndcook.com/blog/2025/11/16/finite-field-i/
2•ibobev•8m ago•0 comments

Linux mode setting, from the comfort of OCaml

https://roscidus.com/blog/blog/2025/11/16/libdrm-ocaml/
1•ibobev•9m ago•0 comments

Super human Stratego with RL and test time search

https://arxiv.org/abs/2511.07312
1•algo_trader•9m ago•1 comments

62 chapter open-source Zig book

https://www.zigbook.net
2•rudedogg•10m ago•0 comments

Double Bind

https://en.wikipedia.org/wiki/Double_bind
1•walterbell•10m ago•0 comments

Show HN: Tsofa – The Simple, Offline Flashcard App

https://inventwithpython.com/tsofa/
1•AlSweigart•12m ago•0 comments

How A Narcissist Conducts Psychological Warfare (2019)

https://www.psychologytoday.com/us/blog/peaceful-parenting/201901/how-a-narcissist-conducts-psych...
2•walterbell•13m ago•0 comments

AI Is the Bubble to Burst Them All

https://www.wired.com/story/ai-bubble-will-burst/
4•AlphaWeaver•14m ago•0 comments

Tracking users with favicons, even in incognito mode

https://github.com/jonasstrehle/supercookie
1•vxvrs•14m ago•0 comments

Dark Pattern Games

https://www.darkpattern.games
2•robotnikman•15m ago•0 comments

AMD vs. Intel: A Unicode Benchmark

https://lemire.me/blog/2025/11/16/amd-vs-intel-a-unicode-benchmark/
1•ibobev•16m ago•0 comments

Octopii, a batteries included framework for building distributed systems in Rust

https://github.com/octopii-rs/octopii
4•nubskr•17m ago•2 comments

Layanan Pelanggan Agoda 24 Jam

1•Kopi1•17m ago•0 comments

Ask HN: What were the best books you read in 2025?

2•dom96•19m ago•0 comments

Layanan Agoda 24 Jam

1•Kopi1•19m ago•0 comments

To be desirable is currency. To desire is liability

https://amycoded.substack.com/p/everyone-wants-to-be-desired-no-one
1•schyzomaniac•24m ago•1 comments

I've been building an HTML-first tool – sharing it in case it helps someone

2•guseyn•24m ago•1 comments

Thermostats: Tuning Team Temperature

https://another.rodeo/thermostats/
1•mooreds•25m ago•0 comments

Show HN: ResendForward – OS server and UI for use with Resend.com inbound

https://github.com/lsherman98/resendforward
1•lsherman98•26m ago•0 comments

The Challenge of Large File Checksums

https://www.ppppp.dev/the-challenge-of-large-file-checksums/
2•I_like_tomato•30m ago•1 comments

The 70% Problem: Why Your AI-Generated Service Isn't Production-Ready

https://practicalsecurity.substack.com/p/the-70-problem-why-your-ai-generated
1•atilla_bilgic•30m ago•0 comments

Florentine Diamond Was Thought to Be Lost. It's Been Tucked Away in Bank Vault

https://www.smithsonianmag.com/smart-news/this-florentine-diamond-was-thought-to-be-lost-to-histo...
1•ulrischa•31m ago•0 comments

The fate of "small" open source

https://nolanlawson.com/2025/11/16/the-fate-of-small-open-source/
21•todsacerdoti•33m ago•3 comments

Pennies Are Trash Now

https://www.theatlantic.com/ideas/2025/11/pennies-circulation-mint/684935/
6•JumpCrisscross•34m ago•0 comments

iPhone users can now add US passport info to their digital wallets

https://apnews.com/article/apple-iphone-travel-passport-ae7ab15d6a32e6005d9c85def4e39737
2•petethomas•35m ago•0 comments

Show HN: Generate PR descriptions 1 click using your GitHub Copilot subscription

https://marketplace.visualstudio.com/items?itemName=gyaneshgouraw.git-ai-assistant
1•gyaneshgouraw•35m ago•1 comments

Made an AI assistant that lives in your Messages app

https://textit2.me/
1•ethanfox•36m ago•1 comments