Vedic multiplication. Your browser does not support the video tag. Previously: Japanese multiplication technique - GIF How to solve any triangle Napier's bones calculating device - GIF Pascal's calculator - photos Vintage mechanical calculator - photo
New plans added on 11/04: Click here for 2,561 plans for homemade tools.
There are currently 1 users browsing this thread. (0 members and 1 guests)
Forum Rules
Posting Permissions
LinkBack URL
About LinkBacks
Reply With Quote
Bookmarks