Mathematics: The Rhind Papyrus
The Rhind Mathematical Papyrus (c. 1550 BC) is one of the oldest surviving mathematical documents. It contains 84 problems and solutions in arithmetic and geometry — including methods for calculating areas of triangles and circles, the volume of cylindrical granaries, and the distribution of goods. The Egyptian approximation of pi (using 256/81 ≈ 3.16) is remarkably close. Egyptian mathematics was decimal but not place-valued — it used different symbols for powers of ten up to a million.
Medicine: The Ebers Papyrus
The Ebers Papyrus (c. 1550 BC) is the world's oldest comprehensive medical textbook, covering over 700 treatments for conditions including infections, parasites, heart disease, and depression. Egyptian physicians distinguished between natural and supernatural causes of illness, performed surgical procedures, and used dozens of herbal and mineral remedies. Herodotus noted that Egypt had specialist physicians — surgeons, ophthalmologists, dentists — a degree of medical specialization unmatched in the ancient world.
Astronomy and the Calendar
The Egyptians developed a 365-day solar calendar — one of the first in history — by observing the heliacal rising of the star Sirius, which coincided with the annual Nile flood. They mapped 36 'decans' (star groups) used to track nighttime hours, and Egyptian astronomical ceilings in tombs show sophisticated star maps. Their calendar directly influenced the Julian calendar introduced by Julius Caesar.
Engineering the Pyramids
The Great Pyramid of Giza (c. 2560 BC) contains an estimated 2.3 million stone blocks averaging 2.5 tonnes each, and its base is level to within 2.1 centimeters. How the Egyptians achieved this precision without modern tools remains debated — hypotheses include internal ramps, external ramps, and water lubrication. What is certain is that the planning, logistics, and material science involved were extraordinary achievements of ancient engineering.
Legacy
Egyptian knowledge passed to Greece (Thales, Pythagoras, and Plato all reportedly studied in Egypt), to Rome, and through Arabic scholarship into the Renaissance. The roots of Western science, medicine, and mathematics run through Alexandria — and Alexandria ran through Egypt.
Frequently Asked Questions
Did ancient Egyptians know mathematics?
Yes. Egyptian mathematics, documented in papyri like the Rhind and Moscow Papyri, included fractions, geometry, arithmetic progressions, and methods for calculating areas and volumes. It was practical and applied rather than theoretical, but highly sophisticated.
What is the Ebers Papyrus?
The Ebers Papyrus (c. 1550 BC) is one of the oldest surviving medical texts, containing over 700 remedies and treatments for a wide range of conditions. It shows that Egyptian physicians had substantial empirical knowledge of the human body and disease.
How were the pyramids built?
The exact methods are still debated. The mainstream view is that workers (mostly free laborers, not slaves) used copper tools, wooden sledges, water lubrication, and internal or external ramp systems. Recent discoveries include papyri describing logistics of pyramid construction and worker villages at Giza.