https://cmna.jameshoward.us/updates/ Corrections, software changes, teaching additions, and continuing work around Computational Methods for Numerical Analysis with R. en-us https://cmna.jameshoward.us/updates/ 2026-09-23:Website:A new web companion Wed, 23 Sep 2026 12:00:00 GMT Website The CMNA companion site was rebuilt around the book, package source, a searchable method atlas, browser-side R laboratories, the Numerical Zoo, and maintained teaching material. https://cmna.jameshoward.us/teaching/ 2026-09-23:Teaching:Teaching resources added Wed, 23 Sep 2026 12:00:00 GMT Teaching The companion now includes a fourteen-week course map, chapter learning objectives, instructor notes for the laboratories, failure-driven Break It exercises, adoption guidance, and printable prediction worksheets. https://cmna.jameshoward.us/laboratory/ 2026-09-23:Website:Browser laboratories and R Workbench Wed, 23 Sep 2026 12:00:00 GMT Website Selected CMNA methods now run through webR in the browser. Guided laboratories expose intermediate numerical state while the Workbench provides a general R session with the companion methods loaded. https://github.com/k3jph/cmna-pkg/tree/9d57edec65c929a18aa5258e84f619649a93f269 2021-07-14:Software:cmna 1.0.5 Wed, 14 Jul 2021 12:00:00 GMT Software Version 1.0.5 is the current released companion package. The package repository remains the canonical source for code, documentation, tests, and development history. https://jameshoward.us/assets/docs/CMNA-Errata-20190403.pdf 2019-04-03:Book errata:Published errata Wed, 03 Apr 2019 12:00:00 GMT Book errata The previous CMNA book page records an errata document dated April 3, 2019. It remains the canonical published correction document while individual corrections are consolidated into this companion.