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Math History

Far more interesting than one might first expect, the history of mathematics is filled with bitter rivalries, political machinations, and incredible innovations by some of the most amazing minds in history. Post all questions concerning individual mathematicians, the development of mathematical theories, and the sociological impact that resulted into this category.

3,988 Questions

Who invented counting in tens?

Pre-historic humanoids who discovered that they had 10 digits on their hands.

How numbers were formed?

Gohd

Improved Answer:-

Numbers were once formed on a tally stick whereas 4 notches would indicate 4 and 4 notches with a line through them would indicate 5 and so on.

What are the powers of 10 called million billion trillion zillion then?

100 = one

101 = ten

102 = hundred

103 = thousand

104 = ten thousand

105 = hundred thousand

106 = million

109 = billion

1012 = trillion

1015 = quadrillion

1018 = quintillion

1021 = sextillion

1024 = septillion

1027 = octillion

1030 = nonillion

1033 = decillion

10100 = googol

10303 = centillion

1010^100 = googolplex

NB: 'a zillion' is not a real number.

Did John Venn have kids?

He had one child, a son John Archibald Venn, who became president of Queen's College, Cambridge, in 1932,

Which subject was not covered in the Principia Mathematica?

Prinicipia Mathematica did not cover the rational basis for religion.

The sum of the numbers 1 - 99?

4950.

If you add the pairs

(1+99)+(2+98)...

You get 100 for each pair.

There are 49 pairs, and the 50 stands alone.

So 4900 +50 is

4950.

What is a 7 sided 3d figure called?

It's a pentagonal prism or a hexagonal pyramid. (maybe there are other answers)