A card from a free library — ask anything, no account, works offline. Every card carries its source.
Saint-Vincent 1647 — Opus geometricum quadraturae circuli et sectionum coni
chain
G. de Saint-Vincent (1647). Opus geometricum quadraturae circuli et sectionum coni. Antwerp, 1647. 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: the area under the hyperbola grows by equal amounts as x grows geometrically - the logarithm as an area (read as such by de Sarasa, 1649).
source
G. de Saint-Vincent (1647), Antwerp, 1647
card id
card_chain_saint_vincent_1647
address
WIT.codex.FCT/opus-geometricum-quadraturae-circuli-et-sectionu/REF.WITNESSED@g-de-saint-vincent
adjoining cards
- part of → The logarithm - the instrument the joints share — a root of this chain - one of the two trees it began from
- enables → Mercator 1668 — Logarithmotechnia — log(1 + x) = x - x^2/2 + x^3/3 - ... : the logarithm as a series
Is this card incomplete? Tell the library — it will call out for more ↗