13th December

Mathematicians who were born or died on 13th December

Mathematicians born on this day:

1724 : Aepinus
1887 : Pólya
1910 : Coulson
1921 : Gale

Mathematicians who died on this day:

1048 : al-Biruni
1557 : Tartaglia
1603 : Viète
1870 : Chauvenet
1921 : Max Noether
1950 : Wald
1997 : Oppenheim

Posters available   (Click on a link below)

George Pólya Niccolo Fontana François Viète

A quotation for today

Niccolo Fontana Tartaglia (1500 - 1557)

[The poem in which he revealed the secret of solving the cubic to Cardan]

When the cube and the things together
Are equal to some discrete number, *
Find two other numbers differing in this one.
Then you will keep this as a habit
That their product shall always be equal
Exactly to the cube of a third of the things. **
The remainder then as a general rule
Of their cube roots subtracted
Will be equal to your principal thing. ***

*   [Solve x3 + cx = d]
**  [Find u, v such that u - v = d and uv = (c/3)3 ]
*** [Then x = 3u - 3v ]

Another quotation by one of today's mathematicians

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JOC/EFR April 2015

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