It provides a tutorial and an assessment. These excellent lessons and calculator programs are appropriate for Algebra I and beyond. The student interprets the meaning of the symbolic representations of functions and operations on functions within a context. Clear explanations and lots of topics. Dave's Math Tables - a collection of useful math reference tables, formatted especially for the Web.
Tables are searchable.
Some trig ideas appear in the second part of this explanation. The student uses functions and their properties to model and solve real-life problems. Tracking A Hurricane - Students plot rectangular and polar coordinates on rectangular coordinate graphing paper. A lesson designed to integrate the use of the Internet into instruction of Precalculus topics. Students convert one set of the coordinates from the hurricane data chart into polar coordinate form, and plot this on their polar coordinate graph paper.