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Mercator 1668 — Logarithmotechnia
chain
N. Mercator (1668). Logarithmotechnia. London, 1668. Cited by its record. License as found: public domain (the author died more than a century ago, or the work was published before 1930). What it gave the chain: log(1 + x) = x - x^2/2 + x^3/3 - ... : the logarithm as a series.
source
N. Mercator (1668), London, 1668
card id
card_chain_mercator_1668
address
WIT.codex.FCT/logarithmotechnia/REF.WITNESSED@n-mercator
adjoining cards
- builds on → Saint-Vincent 1647 — Opus geometricum quadraturae circuli et sectionum coni — log(1 + x) = x - x^2/2 + x^3/3 - ... : the logarithm as a series
- enables → Euler 1748 — Introductio in analysin infinitorum (E101-E102) — e, and the exponential and the logarithm as inverse functions: the table-logarithm of Napi
- enables → Euler 1737 — Variae observationes circa series infinitas (E72) — the Euler product over the primes; its logarithm turns the product into a sum, and the sum
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