General Dev>In The News

Math Problems for children from 5 to 15 (2004) (pdf)

CommunityNews

CommunityNews

Math Problems for children from 5 to 15 (2004) (pdf)

This brochure consists of 77 problems for development of thinking culture, either selected or composed by the author. Most of them do not require any special knowledge beyond the general education. However, solving some of them may turn out challenging even for professors.

The book is addressed to school and university students, teachers, parents – to everybody who considers the thinking culture an essential part of the personality development.

Read in full here:

This thread was posted by one of our members via one of our news source trackers.

View thread on forum
#math#pdf
0 809 0

Where Next?

View thread on forum
math
pdf
Home General Dev>In The News
#math#pdf
0 809 0
Last post

Popular General Dev topics Top

First poster: AstonJ
General Dev>In The News

Wearable Microphone Jamming
We engineered a wearable microphone jammer that is capable of disabling microphones in its user’s surroundings, including hidden micropho...
sandlab.cs.uchicago.edu
/security
7 1834 3
New
First poster: cpgo
General Dev>In The News

8 Reasons to ditch Chrome and use Firefox
8 reasons to ditch Chrome and switch to Firefox. Chrome may dominate, but Firefox is a known name among browsers for a reason. Whether y...
pcworld.com
#chrome#firefox
73 1874 41
New
First poster: bot
General Dev>In The News

macOS CLI tool to configure multi-display resolutions and arrangements
GitHub - jakehilborn/displayplacer: macOS command line utility to configure multi-display resolutions and arrangements. Essentially XRand...
github.com
#macos
0 705 0
New
First poster: peterchancc
General Dev>In The News

Why I like Clojure as a solo developer | Biff
Why I like Clojure as a solo developer | Biff. Most of the reasons fall into a few categories: data orientation, the JVM, and the REPL.
biffweb.com
/clojure
2 1519 2
New
First poster: fullstackplus
General Dev>In The News

Why Python is terrible
Why Python is terrible… Nice language, but unsuitable for most professional purposes
josvisser.substack.com
/python
8 1314 6
New
First poster: DevotionGeo
General Dev>In The News

To avoid being replaced by LLMs, do what they can't
To avoid being replaced by LLMs, do what they can’t. What LLM’s can’t do yet
seangoedecke.com
18 1109 7
New
First poster: dyowee
General Dev>In The News

Software engineering job openings hit five-year low?
Software engineering job openings hit five-year low?. There are 35% fewer software developer job listings on Indeed today, than five yea...
blog.pragmaticengineer.com
#job
5 1056 2
New
First poster: AstonJ
General Dev>In The News

Ladybird: Truly independent web browser
Truly independent web browser. Contribute to LadybirdBrowser/ladybird development by creating an account on GitHub.
github.com
#browser#web#github
4 988 3
New
CommunityNews
General Dev>In The News

Self-Hosting a Firefox Sync Server
After switching from Firefox to LibreWolf, I became interested in the idea of self-hosting my own Firefox Sync server. Although I had see...
blog.diego.dev
#hosting#firefox
0 1154 0
New
CommunityNews
General Dev>In The News

GitSyncPad - Effortless Git Version Control
GitSyncPad is an innovative micro keypad designed for effortless Git version control. Execute commands like git add, git commit, and git ...
gitsyncpad.xyz
#git
0 616 0
New

Other popular topics Top

Devtalk
General Dev>Dev Chat

HELLO WORLD (Introductions thread!)
Hello Devtalk World! Please let us know a little about who you are and where you’re from :nerd_face:
#community
484 8259 119
New
PragmaticBookshelf
Hybrid>Learning Resources

Programming Flutter
Instantly view the changes you make to an app with stateful hot reload, and define a declarative UI in the same language as the app logic...
pragprog.com
#pragprog/book-programming-flutter#published-book/flutter
11 4501 1
New
PragmaticBookshelf
Backend>Learning Resources

Seven Languages in Seven Weeks
Ruby, Io, Prolog, Scala, Erlang, Clojure, Haskell. With Seven Languages in Seven Weeks, by Bruce A. Tate, you’ll go beyond the syntax—and...
pragprog.com
#pragprog/clojure/erlang/haskell/prolog/ruby/scala#published-book/book-seven-languages-in-seven-weeks
5 5730 1
New
DevotionGeo
Backend>Chat

What is the reason behind Rust’s web framework, Rocket, not performing as well as expected in the Techempower benchmarks?
I know that these benchmarks might not be the exact picture of real-world scenario, but still I expect a Rust web framework performing a ...
#web-frameworks/rust
36 7463 11
New
AstonJ
General Dev>Hardware

BIIP MT3 Extended 2048 Custom Keycap Set (Drop)
This looks like a stunning keycap set :orange_heart: A LEGENDARY KEYBOARD LIVES ON When you bought an Apple Macintosh computer in the e...
/keyboards#apple#keycaps#mechanical-keyboards
14 6713 7
New
PragmaticBookshelf
Backend>Learning Resources

Programming Phoenix LiveView
Build highly interactive applications without ever leaving Elixir, the way the experts do. Let LiveView take care of performance, scalabi...
pragprog.com
#pragprog/elixir/phoenix#published-book/book-programming-phoenix-liveview
84 14528 26
New
AstonJ
Science/Tech>Health & Diet

David Sinclair's new Lifespan podcast
We’ve talked about his book briefly here but it is quickly becoming obsolete - so he’s decided to create a series of 7 podcasts, the firs...
#health#podcasts#bio-hackers#david-sinclair
87 6790 49
New
AstonJ
Frontend>Chat

Online Hand to eye coordination test
Was just curious to see if any were around, found this one: I got 51/100: Not sure if it was meant to buy I am sure at times the b...
#online-tools
4 4562 1
New
NewsBot
Backend>Official News

Node.js v22.14.0 released!
Node.js v22.14.0 has been released. Link: Release 2025-02-11, Version 22.14.0 'Jod' (LTS), @aduh95 · nodejs/node · GitHub
github.com
/nodejs#official-news
0 4251 0
New
PragmaticBookshelf
Backend>Learning Resources

MySQL 9 Essentials
A concise guide to MySQL 9 database administration, covering fundamental concepts, techniques, and best practices. Neil Smyth MySQL...
pragprog.com
#pragprog#published-book/mysql/book-mysql-9-essentials
2 4162 0
New
Back to top

Sponsor Spotlight

EEF

Supporting innovation across the BEAM ecosystem.

General Dev>In The News

General Dev In The News ❯

Latest on Devtalk

Devtalk ❯

We ❤️ helpful members!

We reward our most helpful members via our MOTM scheme - by giving away a whopping 25 books per year!

Member of the Month

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

Linux New Media

Publishing Linux Magazine, ADMIN, and MakerSpace for 25+ years.

View all our sponsors ❯

Categories:

Sub Categories:

Popular Portals

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

Linux New Media

Publishing Linux Magazine, ADMIN, and MakerSpace for 25+ years.

View all our sponsors ❯

We're in Beta

About us Mission Statement See our Roadmap