docs: link chapter 01 across to the published CWJSN notes - #8
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The pure-Julia port of Verzani's notes went live at fourm.info/cwjsn on 2026-08-18, and its Derivatives chapter follows the same path this page does — secant slope, limit, rules. Point a reader at the worked Julia code wherever the two line up: - Introduction: one pointer naming the companion notes and the chapter - Quadratic Power Function -> #the-slope-of-the-secant-line / #the-slope-of-the-tangent-line (the animated secant->tangent figure) - The Derivative as a Limit -> #the-derivative / #some-basic-derivatives - Derivatives of Standard Functions -> #some-basic-derivatives - Derivative Rules -> #rules-of-derivatives plus each of the five rules - Where This Leads -> #higher-order-derivatives, and the numeric_ and symbolic_derivatives chapters Also flips the API page's "rendered ported book — forthcoming at fourm.info/cwjsn" to the live link; it has not been forthcoming since the book deployed. All four pages and all eleven anchors verified live; docs build clean. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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The pure-Julia port of Verzani's notes went live at https://fourm.info/cwjsn/ on 2026-08-18, and its Derivatives chapter follows the same path this page does — secant slope → limit → rules. This adds cross-links so a reader who finishes a section here can reach the worked Julia code for it.
Chapter 01 link-backs
Six pointers, each a short italic line set off from the prose (
_In the companion notes:_ …) rather than a rewrite of it, plus one paragraph in the Introduction naming the companion book:Derivativeschapter#the-slope-of-the-secant-line,#the-slope-of-the-tangent-line#the-derivative,#some-basic-derivatives#some-basic-derivatives#rules-of-derivatives+ power / sum / product / quotient / chain#higher-order-derivatives,numeric_derivatives,symbolic_derivativesAbsolute
fourm.infolinks, matching the existing analytic-geometry and slope-intercept cross-references. Chapter URLs depend on the deploy subdirectory, not on which chapters are published, so they survive later publishing.Also
docs/src/API/CalculusWithJuliaSquared.mdstill said the rendered book was forthcoming atfourm.info/cwjsn. It is live; flipped to the link.Verification
typoscleanjulia --project=docs docs/make.jlexits 0, only the known SVG-fallback warning for the four figures🤖 Generated with Claude Code