Claudius Ptolemy: The Mathematics of Celestial Motion

Claudius Ptolemy’s Mysteriously Unknown Life

A portrait of famous mathematician and astronomer Claudius Ptolemy, created by Andre Thevet in the year 1584, via KhanAcademy

Claudius Ptolemy’s Mathematical Discoveries and Work

Claudius Ptolemy’s geocentric model of the universe, via
A map of the ancient world from the Geography of Claudius Ptolemy, via the University of Oxford

Claudius Ptolemy’s Impact on the Evolution of Mathematics

The Brilliant Lives of Famous Mathematicians



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Dr. Aditya Nagrath

Dr. Aditya Nagrath

Founder of Elephant Learning. Our math app is proven to teach kids 1 year of math in 3 months, guaranteed. Make math a tear-free zone in your house!