Software development. Tech punditry. Retro gaming.
Everyone outside the US will be familiar with the standard paper size used in offices around the world, known as A4. You may also be aware that there are other A-series paper sizes, such as the larger A3. Perhaps you have also heard of the B-series sizes.
Have you ever wondered why A4 is the size and shape …
At some point in high school students are taught about factorials. A fairly simple concept, the factorial of a non-negative whole number is written as n! and defined as the product (that means you multiply the numbers) of all the positive whole numbers less than or equal to that number. So 5! = 5 ⨉ 4 ⨉ 3 ⨉…