Comment on Derivatives don't always act like fractions (2021)parentComments−TachyonicBytes1yWould you mind giving us the titles of those books?−Chris20481yThey are in the attic at the moment, but they are all fairly old books (and terse, dry, basic formatting/illustration), seemingly from a period in time when infitesimals were apparently more popular.There are a few similar ones on IA, e.g.https://archive.org/details/in.ernet.dli.2015.148501/page/n8...On that page the 'h' term is the infitesimal, as in d(x^2) / dx = 2x + h Though I prefer something like 'Δx' to make the link to x more explicit. Would love to see a more modern book on the topic.
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Would you mind giving us the titles of those books?
They are in the attic at the moment, but they are all fairly old books (and terse, dry, basic formatting/illustration), seemingly from a period in time when infitesimals were apparently more popular.
There are a few similar ones on IA, e.g.
https://archive.org/details/in.ernet.dli.2015.148501/page/n8...
On that page the 'h' term is the infitesimal, as in
Though I prefer something like 'Δx' to make the link to x more explicit. Would love to see a more modern book on the topic.