infinity

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16 09, 2017

West Asian mathematics – history of math

By |2019-09-04T05:49:16-07:00September 16th, 2017|West Asia|0 Comments

History of math: Sumerian multiplication table (2700 BC) Cuneiform multiplication table Once people in West Asia figured out how to write down numbers, about 3500 BC, they quickly began to want to use cuneiform to write down other mathematical ideas. (Read more about the invention of numbers) The earliest example of this that we have is from about 2700 BC. It [...]

29 07, 2017

Big numbers – billions and trillions

By |2019-07-10T09:05:15-07:00July 29th, 2017|Math|0 Comments

An infinite distance: stars in the sky Why do we use exponents? Some numbers are so big that it's hard to write them in the regular way. The number line Who invented numbers? How we write fractions All our math articles  Like 1,000,000,000,000,000. It would be hard to count all those zeroes, so [...]

29 07, 2017

What is a plane? Simple geometry

By |2017-07-29T11:48:47-07:00July 29th, 2017|Math|2 Comments

A plane goes on infinitely in all directions. Just as a line is made of an infinite number of points, a plane is made of an infinite number of lines that are right next to each other. A plane is flat, and it goes on infinitely in all directions. A sheet of paper represents a small part of [...]

22 07, 2017

Invention of Zero – Indian Numbers

By |2019-09-18T13:58:43-07:00July 22nd, 2017|India|2 Comments

History of Math: Counting tokens from Mehrgarh in Late Stone Age India Indian counting tokens and base 10 The first Indian numbers appeared in the late Stone Age, about 4000 BC. Around this time, people at Mehrgarh began to use counting tokens. (People were already using these tokens in West Asia.) Where was Mehrgahr? Indian history articles Writing [...]

22 07, 2017

Ancient Indian Science and Math

By |2019-09-29T11:31:08-07:00July 22nd, 2017|India|8 Comments

Ancient Indian science: Mohenjo Daro (ca. 2000 BC) From the time of the Harappans to the time of the Islamic conquests, Indian scientists and mathematicians were leaders. Ancient Indian science especially stood out in mathematics and engineering. Invention of zero History of steel Ancient India articles Harappan science and math in India The Harappans in 2500 BC had a sewage system at their [...]

18 07, 2017

Who was Archimedes? Eureka!

By |2019-02-01T06:23:28-07:00July 18th, 2017|History|0 Comments

Archimedes was from Syracuse, Sicily. Here you see it with Mount Etna in the background When did Archimedes live? Archimedes was born about 287 BC, so he was a little younger than Euclid. Archimedes' father was an astronomer, so he grew up knowing a lot about science and math. Who was Euclid? Greek astronomy History [...]

18 07, 2017

Who was Anaximander? Infinity and Greek science

By |2019-01-26T12:31:48-07:00July 18th, 2017|Greeks, Science|0 Comments

Theater of Miletus, where Anaximander the mathematician lived Where was Anaximander from? Anaximander the mathematician was born about 610 BC in the Greek city of Miletus, in what is now Turkey. So he was able to have the great mathematician Thales of Miletus as his teacher. Thales was probably about 35 when Anaximander was twenty years old. [...]