The first information of counting is dated back to 50,000 B.C.30,000 B.C.Palaeolithic civilizations in Europe recorded numbers by notching tally on bones, ivory, and rock.4000 B.C.Metalloids started up being created and used.3500 B.C.The first information of writing is dated back to 3,500 B.C.3400 B.C.Egyptians character for the number 10, making counting larger numbers easier.3300 B.C.The Bronze Age began.3000 B.C.Egyptian hieroglyphs numerals are first used in Egypt.2600 B.C.Chinese introduced the abacus.1350 B.C.Chinese used the first decimal.1350 B.C.Iron began being developed.1000 B.C.The Antikythera mechanism is understood to be first created.300 B.C.Euclid Greek mathematician published his Elementary 13 books that summarize all mathematical information of the Greeks. 300 B.C. Euclid interpreted the Euclidean algorithm for discovering the greatest common division or which is considered the first algorithm. His axioms gave the organization of mathematics and geometry, and are still taught today.300 B.C.The Salamis Tablet, Roman Calculi, and the hand-abacus, much like today's aback us.260 B.C.The Autodesk Maya created a base-20 system of mathematics, which introduce zero.1000 A.D.A clergyman by the name of Gerbert Aurillac, who later became Pope Sylvester, introduced the abacus and Hindu-Arabic math to Europe.