Cozy Mystery Author 

Cryptology
Posts
Mary Seifert

Cryptography

The word cryptography is a combination of the Greek word, Kryptos, which means hidden, and graphy, which means writing. Cryptography is the study and process

Read More »
Mathematics
Posts
Mary Seifert

Mathematics

From counting fingers through buying a cup of coffee to planning for retirement, math is with us every day. It is one of four technical

Read More »