Solve 100 − 50 ÷ 5 × 2 without a calculator: one rule from middle school decides between 80, 95 and 20

Math problems involving the order of operations have a history of sparking surprisingly intense debates online. In August ...

[For parents of 3rd graders] Long multiplication: 4 tips for children who get the wrong answer in 2-digit by 2-digit multiplication due to misaligned second rows

In the long multiplication of 23×14, they managed to get 92 for the first row. However, they write the 23 for the second row ...
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New algorithm halves the cost of quaternion matrix multiplication

Researchers have released qmatmul, a Python package whose algorithm halves the floating-point multiplications needed for ...
shattered.io

BofA: Data Center Spend Hits $2.1T by 2028 [2026]

BofA Global Research sees data center spending doubling to $2.1 trillion by 2028 on AI demand, at $49M per megawatt. Here is ...

Read Two Complex Numbers as One Quaternion, and Spacetime (1+3) Appears - A Map from a Set of Complex Numbers to Spacetime

In the previous article, "Do Symmetries Carry Dimensionless Numbers Rather Than Conserved Quantities?", I introduced a catalogue of symmetries and magic numbers.While putting that catalogue in order, ...