Lama asked in Arts & HumanitiesHistory · 3 months ago

# who was the first person who used the decimal point.?

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• Phil
Lv 5
3 months ago

Tables of logarithms prepared by John Napier in 1614 used the period (full stop) as the decimal separator, which was then adopted by Henry Briggs in his influential 17th century work.

But earlier decimal separators using dashes, commas and slashes, etc were used were used as far back as the 10th century, usually by Arabian mathematicians.

https://en.wikipedia.org/wiki/Decimal_separator#Hi...

• 3 months ago

Who invented the decimal?

Decimal fractions had already been introduced by the Flemish mathematician Simon Stevin in 1586, but his notation was unwieldy. The use of a point as the separator occurs frequently in the Constructio. Joost Bürgi, the Swiss mathematician, between 1603 and 1611 independently invented a system…

https://www.britannica.com/www.britannica.com › science › decimal-fraction

Decimal fraction | mathematics | Britannica.com

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John Napier, sometimes spelt Neper, was a mathematician and theologian who correctly forecast that the 'decimal point' would revolutionise mathematics, and who wrongly predicted the end of the world.

John Napier: invented the decimal point - Ward's Book of Days

• 3 months ago

Dewey, as part of the Dewy Decimal System. Just look in the card catalogues and you will be convinced.

• TB12
Lv 7
3 months ago

Some guy named Dewey.

• Anonymous
3 months ago

Decimal fractions. Abu'l Hasan Ahmad ibn Ibrahim Al-Uqlidisi (c. 920-c. 980) wrote the earliest known text offering a direct treatment of decimal fractions. "Al-Uqlidisi uses decimal fractions as such, appreciates the importance of a decimal sign, and suggests a good one," according to A. S. Saidan, "The earliest extant Arabic arithmetic," Isis 57 (1966), 475-490.

http://www.math.hawaii.edu/~tom/history/fractions....

• 3 months ago

Some chick named Dot about 1904