Chronology for 1600 to 1625

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Cataldi finds the sixth and seventh perfect numbers, 216(217 - 1) =8589869056 and 218(219 - 1) = 137438691328.

Accademia dei Lincei founded in Rome.

Snell makes the first attempt to measure a degree of the meridian arc on the Earth's surface, and so determine the size of the Earth. He publishes Hypomnemata mathematica (Mathematical Memoranda) which is a Latin translation of Stevin's work on mechanics.

Kepler publishes Astronomia nova (New Astronomy). The work contains Kepler's first and second law on elliptical orbits, but only verified for the planet Mars.











Gunter makes a mechanical device, Gunter's scale, to multiply numbers based on logarithms using a single scale and a pair of dividers.

Guldin gives Guldin's Centroid Theorem which was already known to Pappus.

Bachet publishes his Latin translation of Diophantus's Greek text Arithmetica.

Schickard makes a "mechanical clock", a wooden calculating machine that add and subtract and aid with multiplication and division. He writes to Kepler suggesting using mechanical means to calculate ephemeredes.

Briggs publishes Arithmetica logarithmica (The Arithmetic of Logarithms) which introduces the terms "mantissa" and "characteristic". It gives the logarithms of the natural numbers from 1 to 20,000 and 90,000 to 100,000 computed to 14 decimal places as well as tables of the sine function to 15 decimal places, and the tangent and secant functions to 10 decimal places.

List of mathematicians alive in 1600.

List of mathematicians alive in 1625.

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JOC/EFR May 2015

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School of  Mathematics and Statistics
University of  St Andrews, Scotland