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}.

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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)