Introducing
Prezi AI.
Your new presentation assistant.
Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.
Trending searches
Loading…
Le Bâton de Jacob :
Transcript
Jacob's staff, an old device :
When was it used ?
14th century-17th century
later replaced by the more precise sextants.
Math explanation
What was it used for ?
Who invented it ?
tan A = BC/AC
A mathematician (Levi ben Gerson) of Provence.
Measure angles in astronomy and navigation
How does it work ?
What does it look like ?
How to use it ?
Choose a template
Presentations from around the world
Learn more about creating dynamic, engaging presentations with Prezi