All (1) | Bookmarks (1)
Displaying 1 - 1 of 1
previous | page 1 of 1 | next
by 45 users
Why are There 60 Minutes in an Hr.? 
To understand the units of time we need to investigate the # systems of ancient civilizations.
http://scienceray.com/mathematics/applied-mathematics/w
hy-are-there-60-minutes-in-an-hour/
first added by trainner, last updated 2 years 5 months ago
hy-are-there-60-minutes-in-an-hour/
