







Practise every times table from 1 to 12 with free games, speed tests, printable charts and worksheets. Works on phones, tablets and computers. No sign-up.
Why Can’t Powerful LLMs Learn Multiplication?
These days, large language models (LLMs) can handle increasingly complex tasks, writing complex code and engaging in sophisticated reasoning. But when it comes to 4-digit multiplication, a task taught in elementary school, even state-of-the-art systems fail. Why? A new paper by Computer Science PhD student Xiaoyan Bai and Faculty Co-Director of the Data Science Institute’s …
Regnestykker
Sheets with calculus exercises suitable for kids that are learning the first basic arithmetic operations.
Fidget
Fidget is a library for representing, compiling, and evaluating large-scale math expressions, i.e. hundreds or thousands of arithmetic clauses. It's mainly designed as a backend for implicit surfaces, but the library is flexible enough for many different uses!
Qalculate! - the ultimate desktop calculator
It Is Fun to Pretend That Hard Things Are Easy!
A new online math platform promises to teach math 4x faster. Here is how!


Building a spreadsheet from the ground up | Prabhanshu Gupta
Mathematicians still don’t know the fastest way to multiply numbers
A 23-year-old student overturned an ancient conjecture about one of math’s simplest operations

Issue 084: Spreadsheets
Welcome to the 84th issue of De Programmatica Ipsum, about Spreadsheets. In this edition, we declare spreadsheets the most popular software programming environment of all time; in the Library section, we learn how to use Lotus 1-2-3 for science reading "Spreadsheet Physics" by Charles Misner and Patrick Cooney; and in our Vidéothèque section, we discover that Excel is a Turing-complete, functional programming language through the eyes of Dr. Felienne Hermans.

Old and new apps, via modern coding agents
I have been interested in machine-assisted ways to do and teach mathematics from as far back as 1999, when I started coding several applets in Java 1.0, both for my complex analysis and linear alge…

Sorteador de bingo
Desfrute de sorteios rápidos e simples com 75, 90, 100 bolas e explore emocionantes modos de jogo exclusivos. Sem a necessidade de globo ou bolas numeradas, oferecemos a autenticidade do bingo em um formato digital e online.

Why can’t powerful AIs learn basic multiplication?
New research reveals why even state-of-the-art large language models stumble on seemingly easy tasks—and what it takes to fix it

Brilliant | Your Personal Tutor for Math and Coding
Visual, interactive tutoring in math and coding, from 5th grade through college. Master concepts in algebra, calculus, Python, computer science, and more.

RNGdle
A daily random number game. Roll your number, collect badges, and compete with friends.
Uri Bram 🔍 on Twitter / X
So I got memed into trying MathAcademy and it was one of the weirdest product experiences of my life. In short: I think they have an amazing product, but they're very opinionated about how you use it, and as a result I can't use it at all.Basically: they've figured out some…— Uri Bram 🔍 (@UriBram) January 16, 2025
The Complete Power Automate Functions List - Matthew Devaney
A cheat sheet with 140+ Power Automate functions, links to the official documentation and an easy to follow visual guide.
