Mathematicians Of The Day

11th November



On this day in 1675, Gottfried Wilhelm Leibniz first introduced the symbols dx, dy and dxdy\large\frac {dx } {dy}.
See THIS LINK.

Click on for a poster.


Quotation of the day

From Henry Whitehead
The British Mathematical Colloquium consists of three days of mathematics with no dogs and no wives.
Quoted in D MacHale, Comic Sections (Dublin 1993)