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540s BC

 
Sci & Tech Chronology: In the year 540 bce

Mathematics

There is a productive period in mathematics. Ionian philosophers follow Thales in developing deductive proofs, the Chinese introduce rod numerals, and the Indians develop a geometry based on stretching ropes (similar to an earlier Egyptian practice). See also 300 bce Mathematics.


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Millennium: 1st millennium BC
Centuries: 7th century BC6th century BC5th century BC
Decades: 570s BC 560s BC 550s BC540s BC530s BC 520s BC 510s BC
Years: 549 BC 548 BC 547 BC 546 BC 545 BC 544 BC 543 BC 542 BC 541 BC 540 BC
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500s BC
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Sci & Tech Chronology. History of Science and Technology, edited by Bryan Bunch and Alexander Hellemans. Copyright © 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.  Read more
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