Designed as an avenue of communication for mathematics educators concerned with the views, ideas, and experiences of two-year college students and teachers, this journal contains articles on mathematics exposition and education and regular features presenting book and software reviews, classroom activities, instructor experiences, and math problems. The first of two issues of volume 18 includes the following major articles: "When a Critical Point Is Not an Extremum" (Terry R. Tiballi); "A Variation of a Problem from Calculus of Two Intersecting Right Cylinders" (Leonard Casciotti and Donald Beken); "An Extension of Synthetic Division" (William Donnell); "The Sine Function CAN Have Values Larger Than One" (Paul Murrin); "Evaluation of a Gap Series" (Russell Euler); "Increasing or Decreasing?" (Jay M. Jahangiri and Herb Silverman); "A Journey with Self-Assessment as a Compass" (Agnes Azzolino); and "Spreadsheets in a Differential Equations Course?" (Richard F. Maruszewski). The second issue of the volume contains the following major articles: "Can You Recognize a Textbook that Supports the AMATYC Standards?" (Jack Rotman and Brian Smith); "A Classification System for Primitive Pythagorean Triples" (Neil Basescu); "Identifying Degenerate Conic Sections" (David E. Dobbs and John C. Peterson); "Summation of Arithmetic Sequences of Higher Degree" (Ayoub B. Ayoub); "An Unexpected Proof of an Unexpected Occurrence of e" (Sid Koplas and Steve Marsden); "Another Rotation of Axes" (Richard Quint); "An Alternate to Cantor's List" (Sandy Coleman); and "Responses to Teacher Feedback on Errors Differ by Age and Gender" (Sandra P. Clarkson and Wm. H. Williams). (TGI)