English Wikipedia - The Free Encycl...
Download this dictionary
Theodosius of Bithynia
Theodosius of Bithynia
(; c. 160 BC – c. 100 BC) was a
Greek astronomer
and
mathematician
who wrote the
Sphaerics
, a book on the geometry of the sphere.
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License