John Graham-Cumming personal blog
Squaring two digit numbers in your head
All my life I've done mental arithmetic the 'wrong way': I've calculated from left-to-right, instead of right-to-left. So when I do somethi...
- Points
- 127
- HN comments
- 30
- Submissions
- 1
- Cited by
- 0 commenters
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Mar 29, 2010 | Squaring two digit numbers in your head by jgrahamc | 127 | 30 |
