TY  - BOOK
AU  - Lewis,Philip G.
TI  - Approaching precalculus mathematics discretely: explorations in a computer environment 
SN  - 0262121387
AV  - QA76.95 .L49 1990
U1  - 510/.285/5262 20
PY  - 1990///
CY  - Cambridge, Mass.
PB  - MIT Press
KW  - Mathematics
KW  - Data processing
KW  - Precalculus
KW  - LOGO (Computer program language)
N1  - Includes bibliographical references (p. [543]-544) and index
ER  -