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1. Forgery 2 - MacTutor History of Mathematics

   https://mathshistory.st-andrews.ac.uk/HistTopics/Forgery_2/

   7 Mar 2023: The claim in the paper that credit for the principle should go to Leibniz was based on a letter supposedly written in French by Leibniz to Hermann and quoted in ... Clearly the original letter was sent by Leibniz to a mathematician other than Hermann,

2. Catenary - MacTutor History of Mathematics

   https://mathshistory.st-andrews.ac.uk/Curves/Catenary/

   7 Mar 2023: Its equation was obtained byand Johann Bernoulli in 1691. They were responding to a challenge put out by Jacob Bernoulli to find the equation of the 'chain-curve'. ... Huygens was the first to use the term catenary in a letter to Leibniz in 1690 and

3. Ehrenfried Walter von Tschirnhaus (1651 - 1708) - Biography -…

   https://mathshistory.st-andrews.ac.uk/Biographies/Tschirnhaus/

   11 Apr 2024: While making this long journey, Tschirnhaus continued to report his observations and discoveries to Leibniz by letter, receiving helpful replies. ... For example, on 30 April 1678 Tschirnhaus wrote a long letter to Leibniz from Rome (see [10]).

4. 25th October - MacTutor History of Mathematics

   https://mathshistory.st-andrews.ac.uk/Miscellaneous/messages/10-25/

   7 Mar 2023: On this day in 1713, Gottfried Leibniz, in a letter to Johann Bernoulli, observed that an alternating series whose terms monotonically decrease to zero in absolute value is convergent.

5. Charles Bossut on Leibniz and Newton - MacTutor History of Mathematics

   https://mathshistory.st-andrews.ac.uk/Extras/Bossut_Chapter_V/

   7 Mar 2023: Let us add that in a letter from Collins to Newton, dated the 5th of March 1677, it is said that Leibniz, having spent a week in London in October 1676, ... in this very letter Collins mentions another from Leibniz to Oldenburg written from Amsterdam the

6. Earliest Uses of Symbols for Constants - MacTutor History of…

   https://mathshistory.st-andrews.ac.uk/Miller/mathsym/constants/

   7 Mar 2023: The first symbol used for the constant mentioned by Cajori is the letter b used by Leibniz in letters to Huygens in 1690 and 1691. ... 1690. b. Leibniz. Letter to Huygens. 1691. b. Leibniz. Letter to Huygens.

7. Guido Grandi (1671 - 1742) - Biography - MacTutor History of…

   https://mathshistory.st-andrews.ac.uk/Biographies/Grandi/

   18 Jan 2024: Rodonea is the Latin for rose and Grandi first defined these curves in December 1713 in a letter he wrote to Leibniz. ... 1728). In the same work he defines the clelie curve which, like the rodonea curve, he had first mentioned in a letter to Leibniz in

8. The number e - MacTutor History of Mathematics

   https://mathshistory.st-andrews.ac.uk/HistTopics/e/

   18 Jan 2024: In that year Leibniz wrote a letter to Huygens and in this he used the notation. ... Whatever the reason, the notation. e. e. e made its first appearance in a letter Euler wrote to Goldbach in 1731.

9. Taylor versus Continental mathematicians - MacTutor History of…

   https://mathshistory.st-andrews.ac.uk/Extras/Taylor_continental/

   7 Mar 2023: Even before he had seen the book, Johann Bernoulli had heard enough about it to criticise it strongly in his reply written to Leibniz in July 1716:-. ... After he had received a copy of the book and had read through it, Johann Bernoulli wrote again to

10. Earliest Uses of Symbols for Matrices and Vectors - MacTutor History…

    https://mathshistory.st-andrews.ac.uk/Miller/mathsym/matrices/

    30 Dec 2023: Muir and Cajori quote a remarkable passage from a letter of 1693 from Leibniz to L'Hospital in which something like the modern scheme of literal coefficients with numerical subscripts (a. ... Vandermonde treats the constants in a similar way to Leibniz