English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

The invention of the logarithms is justly esteemed one of the most useful discoveries in the art of numbers, and accordingly has had an universal reception and applause;

philosophical transactions of the royal society of london

IV. A most compendious and facile method for constructing the logarithms, exemplified and demonstrated from the nature of numbers, without any regards to the hyperbola, with a speedy method for finding the number from the logarithm given