Modular Arithmetic on the Planet of the Eights
Daniella Bak - RAMAZ Upper School; New York, NY
Joan Funderburk - St. Rose High School; Belmar, NJ
William Metzler - Highland High School; Highland, NY
Lora Monfils - Franklin High School; Somerset, NJ

Coding with Linear Equations
Barbara Buchanan - T.C. Williams High School; Alexandria, VA
Howard McKenzie - Essex Catholic High School; East Orange, NJ

The Rotating Grille
Frances Chin - Glen Rock High School; Glen Rock, NJ
Frances Gasman - Parsippany High School; Parsippany, NJ

Grilling Algebra
Harold (Spike) Clancy - Ludlow High School; Ludlow, MA
Valetta Eshbach - Muhlenburg High School; Laureldale, PA

Does the Falling Tree Make a Sound If No One is There to Hear It?
Elizabeth Gamburg - Manhattan Center for Science & Math; New York, NY
Janet Taubin - August Martin High School; Jamaica, NY

Matrices in Encryption and Decryption of Codes
Nancy Fedor - St. Mary Regional High School; South Amboy, NJ
Ronald Seth (Chuck) Tiberio - Wellesley High School; Wellesley, MA
Carol West - Elizabeth Seton High School; Bladensburg, MD

Using the TI-83 to Encode a Message
Harold (Spike) Clancy - Ludlow High School; Ludlow, MA

Using the TI-83 to Understand RSA
Harold (Spike) Clancy - Ludlow High School; Ludlow, MA

Discrete Dots and the TI-83
Harold (Spike) Clancy - Ludlow High School; Ludlow, MA

Secret Sharing with Linear Equations
Joan Funderburk - St. Rose High School; Belmar, NJ

Cryptography and Geometry, Beyond the Triangular Grille
Duncan Chiu - Teaneck High School; Teaneck, NJ

A Programming Challenge in Cryptography (by Eric Collazo)
submitted by Duncan Chiu - Teaneck High School; Teaneck, NJ

Codes and Inverse Operations
Valetta Eshbach - Muhlenburg High School; Laurendale, PA

Follow the Trail to Discover How Algebraic Properties of Identity and Inverse Play Important Roles in Securing Secrecy
Frances Chin - Glen Rock High School; Glen Rock, NJ

Basic Crypto Systems
Theresa McGoldrick - Andries Hudde Junior High School; Brooklyn, NY

Basic Crypto Systems II
Theresa McGoldrick - Andries Hudde Juniro High Scholl; Brooklyn, NY

Hamming Codes: Detecting and Correcting Errors
Frances M. Gasman - Parsippany Hills High School; Parsippany, NJ

Secret Messages and Matrices
Carol West - Elizabeth Seton High School; Bladensburg, MD

Cryptography Implementation
Robert Scher - High School of Fashion Industries; New York, NY

Cryptography on the TI-83 Graphing Calculator
Lora Monfils - Franklin High School; Somerset, NJ