David L. · David Lagomarsino · David Leisner · David Lexner
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Graphing Calculators in Mathematics | 978-0-314-02385-8 (0-314-02385-2) | 1994 |
| Graphing Calculators in Mathematics/Ti-81 Version | 978-0-314-02386-5 (0-314-02386-0) | 1994 |