Every story and comment from the Hacker News API, in a layout borrowed from 2001.
A comment on How fast should you accelerate your kid in math?. Parent comment
Is... that not how most people do mental math? I instinctively reduce everything to familiar patterns largely based on single digits numbers tables.
563 * 3557 is about 600 * 4000 => 6 * 4 * 100000 => about 2.4M
Are other people doing the standard algorithm visualized somehow?
There are no comments on this comment yet.
Is... that not how most people do mental math? I instinctively reduce everything to familiar patterns largely based on single digits numbers tables.
563 * 3557 is about 600 * 4000 => 6 * 4 * 100000 => about 2.4M
Are other people doing the standard algorithm visualized somehow?