Mathematics is the abstract study of topics encompassing quantity, structure, space, change, and other properties. It is a prerequisite for theoretical contributions in many other sciences and disciplines.
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Babylonian tablets
The MacTutor History of Mathematics archive writes
Two tablets found at Senkerah on the Euphrates in 1854 date from 2000 BC. They give squares of the numbers up to 59 and cubes of the numbers up ...
10
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1answer
119 views
Was the State of Indiana's legislation changed to fix the value of Pi?
Is the following an anecdote?
Mathematicians describe Pi as an irrational number, that is, a number that cannot be expressed as the ratio of any two integers. This was an irksome fact to the State ...
3
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1answer
76 views
Did Pythagoras visit Judaea, Arabia, and/or India?
From Wikipedia's page on Pythagoras:
Diogenes Laertius reported that Pythagoras had undertaken extensive travels, and had visited not only Egypt, but Arabia, Phoenicia, Judaea, Babylon, and even ...
2
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1answer
159 views
How did Columbus calculate the size of the Earth?
Eratosthenes' calculations of the size of the Earth were very precise and very accepted during Columbus' time. Still, Columbus was convinced that the world was significatively smaller and that getting ...
15
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1answer
139 views
What were tally sticks?
What were tally sticks, and how was it that they they worked for the economy? I understand that they were a form of currency and were of fixed value based on the notches, but how did they work as a ...
7
votes
1answer
281 views
How far into the past was significance ascribed to the Golden Ratio?
I think everyone knows about the golden ratio or the divine proportion (I got to know more about it after reading the wikipedia article on it). It's present everywhere in nature and also in the human ...
10
votes
2answers
271 views
Early history of prime numbers
Prime numbers are those whole numbers greater than 1 which cannot be written as a product of numbers greater than 1. I'm curious about their very early history, say 200 BC and earlier. What I know:
...
6
votes
1answer
100 views
Vigenere vs. Bellaso
I noticed on the Wikipedia article for the Vigenere cipher, that:
The Vigenère (French pronunciation: [viʒnɛːʁ]) cipher has been
reinvented many times. The method was originally described by ...
