Designing high-quality professional development for mathematics educators requires close attention to many facets of teacher learning. "Learning from NAEP" is a valuable manual-plus-CD resource containing activities and workshops that facilitators can use as is or tailor to the unique needs of participants in their school's or district's…

Described is a simple electronic interface that can receive signals from up to four analog sensors and four event detectors and save the data on disk. Schematic diagrams, construction details, sample temperature plot and weather station logging programs, and a parts list are included. (KR)