WingNews logo WingNews
top | new | best | ask | show | jobs
top | item 19389299

(no title)

kirankn | 7 years ago

Try to get hold of this Indian book: Vedic Mathematics or Sixteen Simple Mathematical Formulae from the Vedas (https://www.amazon.com/gp/product/8120801636/).

I have also heard of a Trachtenberg Speed system (https://www.amazon.com/Trachtenberg-Speed-System-Basic-Mathe...).

discuss

order

No comments yet.

powered by hn/api // news.ycombinator.com