Invented a numeral
system.
Developed a concept of
negative numbers.
Calculated square root
of 2
Developed table of
sines.
Computed value of Pi.
|
Identified seven planets.
Determined that planets and
moon reflect sun's light.
Understood daily rotation of
earth on its axis.
Predicted eclipses.
Developed theory of gravity.
Calculated the diameter of
earth
|
Understood importance
of spinal cord.
Knew how to set bones.
Performed plastic
surgery.
Perfected inoculation
technique
Practiced sterilization of
wounds
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