Blog Index
- The Joy of Transformations of Functions Teaching college algebra for the first time revealed a beautiful, unified framework for function transformations--one that cuts the number of rules to memorize in half and even derives the standard forms of lines, parabolas, circles, and ellipses from scratch.
- An Introduction to groff groff is a modern implementation of the classic Unix roff document formatting system, capable of producing output in HTML, PostScript, PDF, and several other formats. This article provides an introduction to the roff pipeline, common macro packages, and basic document formatting with groff.